31152040252676 has 72 divisors (see below), whose sum is σ = 63501872870016. Its totient is φ = 13332945743040.

The previous prime is 31152040252633. The next prime is 31152040252679. The reversal of 31152040252676 is 67625204025113.

It is a super-2 number, since 2×31152040252676² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31152040252679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443846306 + ... + 443916486.

It is an arithmetic number, because the mean of its divisors is an integer number (881970456528).

Almost surely, 2^{31152040252676} is an apocalyptic number.

It is an amenable number.

31152040252676 is an abundant number, since it is smaller than the sum of its proper divisors (32349832617340).

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

31152040252676 is a wasteful number, since it uses less digits than its factorization.

31152040252676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73209 (or 73200 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

Adding to 31152040252676 its reverse (67625204025113), we get a palindrome (98777244277789).

The spelling of 31152040252676 in words is "thirty-one trillion, one hundred fifty-two billion, forty million, two hundred fifty-two thousand, six hundred seventy-six".