31312110302000 has 160 divisors (see below), whose sum is σ = 84154065562944. Its totient is φ = 11171387136000.

The previous prime is 31312110301957. The next prime is 31312110302003. The reversal of 31312110302000 is 20301121313.

It is a super-2 number, since 2×31312110302000² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31312110302000.

It is not an unprimeable number, because it can be changed into a prime (31312110302003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12261149 + ... + 14593148.

Almost surely, 2^{31312110302000} is an apocalyptic number.

It is an amenable number.

31312110302000 is an abundant number, since it is smaller than the sum of its proper divisors (52841955260944).

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

31312110302000 is a wasteful number, since it uses less digits than its factorization.

31312110302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26854384 (or 26854368 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31312110302000 its reverse (20301121313), we get a palindrome (31332411423313).

The spelling of 31312110302000 in words is "thirty-one trillion, three hundred twelve billion, one hundred ten million, three hundred two thousand".