142357568931 has 96 divisors (see below), whose sum is σ = 232411128768. Its totient is φ = 86712975360.

The previous prime is 142357568917. The next prime is 142357568971. The reversal of 142357568931 is 139865753241.

It is a happy number.

142357568931 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 575 + 68 + 9 + 3 + 1 = 666.

It is not a de Polignac number, because 142357568931 - 2¹³ = 142357560739 is a prime.

It is a super-2 number, since 2×142357568931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142357568971) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97974201 + ... + 97975653.

It is an arithmetic number, because the mean of its divisors is an integer number (2420949258).

Almost surely, 2^142357568931 is an apocalyptic number.

142357568931 is a deficient number, since it is larger than the sum of its proper divisors (90053559837).

142357568931 is a wasteful number, since it uses less digits than its factorization.

142357568931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2151 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 142357568931 in words is "one hundred forty-two billion, three hundred fifty-seven million, five hundred sixty-eight thousand, nine hundred thirty-one".