10031013312 has 56 divisors (see below), whose sum is σ = 26580998400. Its totient is φ = 3338555136.

The previous prime is 10031013287. The next prime is 10031013329. The reversal of 10031013312 is 21331013001.

It is a junction number, because it is equal to n+sod(n) for n = 10031013291 and 10031013300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86889 + ... + 166167.

Almost surely, 2^10031013312 is an apocalyptic number.

10031013312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031013312 is an abundant number, since it is smaller than the sum of its proper divisors (16549985088).

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

10031013312 is an equidigital number, since it uses as much as digits as its factorization.

10031013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79953 (or 79943 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10031013312 its reverse (21331013001), we get a palindrome (31362026313).

The spelling of 10031013312 in words is "ten billion, thirty-one million, thirteen thousand, three hundred twelve".