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311223001313130 = 23543923631207389
BaseRepresentation
bin100011011000011100100000…
…0011100000110111101101010
31111210221121222001220201112020
41012300321000130012331222
5311243034201314010010
63021525512323525310
7122361056046566364
oct10660710034067552
91453847861821466
10311223001313130
119018aa2a746625
122aaa5129529836
1310487284276a9a
1456bd3b8bddd34
1525ea95795b470
hex11b0e40706f6a

311223001313130 has 32 divisors (see below), whose sum is σ = 748636650115200. Its totient is φ = 82803750687552.

The previous prime is 311223001313083. The next prime is 311223001313173. The reversal of 311223001313130 is 31313100322113.

It is a self number, because there is not a number n which added to its sum of digits gives 311223001313130.

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, 11815590525 + ... + 11815616864.

It is an arithmetic number, because the mean of its divisors is an integer number (23394895316100).

Almost surely, 2311223001313130 is an apocalyptic number.

311223001313130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311223001313130 is an abundant number, since it is smaller than the sum of its proper divisors (437413648802070).

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

311223001313130 is a wasteful number, since it uses less digits than its factorization.

311223001313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23631207838.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 311223001313130 its reverse (31313100322113), we get a palindrome (342536101635243).

The spelling of 311223001313130 in words is "three hundred eleven trillion, two hundred twenty-three billion, one million, three hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 439 878 1317 2195 2634 4390 6585 13170 23631207389 47262414778 70893622167 118156036945 141787244334 236312073890 354468110835 708936221670 10374100043771 20748200087542 31122300131313 51870500218855 62244600262626 103741000437710 155611500656565 311223001313130