31510450102012 has 12 divisors (see below), whose sum is σ = 63020900204080. Its totient is φ = 13504478615136.

The previous prime is 31510450101997. The next prime is 31510450102049. The reversal of 31510450102012 is 21020105401513.

31510450102012 is an admirable number.

It is a super-2 number, since 2×31510450102012² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562686608937 + ... + 562686608992.

Almost surely, 2^{31510450102012} is an apocalyptic number.

It is an amenable number.

31510450102012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31510450102012 is a wasteful number, since it uses less digits than its factorization.

31510450102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125373217940 (or 1125373217938 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 31510450102012 its reverse (21020105401513), we get a palindrome (52530555503525).

The spelling of 31510450102012 in words is "thirty-one trillion, five hundred ten billion, four hundred fifty million, one hundred two thousand, twelve".