13231142312 has 64 divisors (see below), whose sum is σ = 25832748480. Its totient is φ = 6348367872.

The previous prime is 13231142303. The next prime is 13231142329. The reversal of 13231142312 is 21324113231.

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, 15510878 + ... + 15511730.

It is an arithmetic number, because the mean of its divisors is an integer number (403636695).

Almost surely, 2^13231142312 is an apocalyptic number.

It is an amenable number.

13231142312 is a deficient number, since it is larger than the sum of its proper divisors (12601606168).

13231142312 is a wasteful number, since it uses less digits than its factorization.

13231142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1638 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 13231142312 its reverse (21324113231), we get a palindrome (34555255543).

The spelling of 13231142312 in words is "thirteen billion, two hundred thirty-one million, one hundred forty-two thousand, three hundred twelve".