10031231012 has 48 divisors (see below), whose sum is σ = 19252101120. Its totient is φ = 4535546400.

The previous prime is 10031230999. The next prime is 10031231033. The reversal of 10031231012 is 21013213001.

It is a super-2 number, since 2×10031231012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10121837 + ... + 10122827.

It is an arithmetic number, because the mean of its divisors is an integer number (401085440).

Almost surely, 2^10031231012 is an apocalyptic number.

It is an amenable number.

10031231012 is a deficient number, since it is larger than the sum of its proper divisors (9220870108).

10031231012 is a wasteful number, since it uses less digits than its factorization.

10031231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10031231012 its reverse (21013213001), we get a palindrome (31044444013).

The spelling of 10031231012 in words is "ten billion, thirty-one million, two hundred thirty-one thousand, twelve".