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131043403322112 = 28317411523160739
BaseRepresentation
bin11101110010111011101011…
…100000010101001100000000
3122011222121221002102221000110
4131302323223200111030000
5114134003342222301422
61142412301452151320
736413400460463301
oct3562735340251400
9564877832387013
10131043403322112
1138833216976466
121284510a768540
135817455a20238
14245076aba67a8
151023b164a860c
hex772eeb815300

131043403322112 has 288 divisors, whose sum is σ = 378539860688640. Its totient is φ = 40082347786240.

The previous prime is 131043403322099. The next prime is 131043403322131. The reversal of 131043403322112 is 211223304340131.

It is a self number, because there is not a number n which added to its sum of digits gives 131043403322112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 815175439 + ... + 815336177.

It is an arithmetic number, because the mean of its divisors is an integer number (1314374516280).

Almost surely, 2131043403322112 is an apocalyptic number.

131043403322112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131043403322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189269930344320).

131043403322112 is an abundant number, since it is smaller than the sum of its proper divisors (247496457366528).

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

131043403322112 is a wasteful number, since it uses less digits than its factorization.

131043403322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162339 (or 162325 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131043403322112 its reverse (211223304340131), we get a palindrome (342266707662243).

The spelling of 131043403322112 in words is "one hundred thirty-one trillion, forty-three billion, four hundred three million, three hundred twenty-two thousand, one hundred twelve".