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312311001131130 = 235127401920395967
BaseRepresentation
bin100011100000010111001001…
…0010010000010100001111010
31111221210122021122112002020210
41013000232102102002201322
5311413400412242144010
63024121405423531550
7122532503515501521
oct10700562222024172
91457718248462223
10312311001131130
119056a396231231
122b03bb6a459bb6
1310535a54b55741
145719d0c63d4b8
152618dd4b52b20
hex11c0b9248287a

312311001131130 has 64 divisors (see below), whose sum is σ = 755636349173760. Its totient is φ = 82606599319104.

The previous prime is 312311001131089. The next prime is 312311001131141. The reversal of 312311001131130 is 31131100113213.

It is a super-2 number, since 2×3123110011311302 (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312311001131097 and 312311001131106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5114407 + ... + 25510373.

It is an arithmetic number, because the mean of its divisors is an integer number (11806817955840).

Almost surely, 2312311001131130 is an apocalyptic number.

312311001131130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312311001131130 is an abundant number, since it is smaller than the sum of its proper divisors (443325348042630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312311001131130 is a wasteful number, since it uses less digits than its factorization.

312311001131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400123.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 312311001131130 its reverse (31131100113213), we get a palindrome (343442101244343).

The spelling of 312311001131130 in words is "three hundred twelve trillion, three hundred eleven billion, one million, one hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 4019 8038 12057 20095 24114 40190 60285 120570 510413 1020826 1531239 2552065 3062478 5104130 7656195 15312390 20395967 40791934 61187901 101979835 122375802 203959670 305939505 611879010 2590287809 5180575618 7770863427 12951439045 15541726854 25902878090 38854317135 77708634270 81971391373 163942782746 245914174119 409856956865 491828348238 819713913730 1229570870595 2459141741190 10410366704371 20820733408742 31231100113113 52051833521855 62462200226226 104103667043710 156155500565565 312311001131130