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1312301310 = 235192302283
BaseRepresentation
bin100111000111000…
…0010000011111110
310101110022210222020
41032032002003332
510141422120220
6334115101010
744343243225
oct11616020376
93343283866
101312301310
1161383a441
123075a1766
1317bb54168
14c6403cbc
157a320040
hex4e3820fe

1312301310 has 32 divisors (see below), whose sum is σ = 3315288960. Its totient is φ = 331528608.

The previous prime is 1312301293. The next prime is 1312301339. The reversal of 1312301310 is 131032131.

It is a super-2 number, since 2×13123013102 = 3444269456455432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1312301310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150572 + ... + 1151711.

It is an arithmetic number, because the mean of its divisors is an integer number (103602780).

Almost surely, 21312301310 is an apocalyptic number.

1312301310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312301310 is an abundant number, since it is smaller than the sum of its proper divisors (2002987650).

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

1312301310 is a wasteful number, since it uses less digits than its factorization.

1312301310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302312.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1312301310 is about 36225.6995791662. The cubic root of 1312301310 is about 1094.8245335071.

Adding to 1312301310 its reverse (131032131), we get a palindrome (1443333441).

The spelling of 1312301310 in words is "one billion, three hundred twelve million, three hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 2302283 4604566 6906849 11511415 13813698 23022830 34534245 43743377 69068490 87486754 131230131 218716885 262460262 437433770 656150655 1312301310