13231403012 has 24 divisors (see below), whose sum is σ = 24307019520. Its totient is φ = 6293774880.

The previous prime is 13231402997. The next prime is 13231403023. The reversal of 13231403012 is 21030413231.

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, 896963 + ... + 911594.

It is an arithmetic number, because the mean of its divisors is an integer number (1012792480).

Almost surely, 2^13231403012 is an apocalyptic number.

It is an amenable number.

13231403012 is a deficient number, since it is larger than the sum of its proper divisors (11075616508).

13231403012 is a wasteful number, since it uses less digits than its factorization.

13231403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808651 (or 1808649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13231403012 its reverse (21030413231), we get a palindrome (34261816243).

The spelling of 13231403012 in words is "thirteen billion, two hundred thirty-one million, four hundred three thousand, twelve".