23013131312 has 10 divisors (see below), whose sum is σ = 44587941948. Its totient is φ = 11506565648.

The previous prime is 23013131299. The next prime is 23013131327. The reversal of 23013131312 is 21313131032.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719160338 + ... + 719160369.

Almost surely, 2^23013131312 is an apocalyptic number.

It is an amenable number.

23013131312 is a deficient number, since it is larger than the sum of its proper divisors (21574810636).

23013131312 is a wasteful number, since it uses less digits than its factorization.

23013131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438320715 (or 1438320709 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23013131312 its reverse (21313131032), we get a palindrome (44326262344).

The spelling of 23013131312 in words is "twenty-three billion, thirteen million, one hundred thirty-one thousand, three hundred twelve".