13231115152 has 20 divisors (see below), whose sum is σ = 25665155440. Its totient is φ = 6607849248.

The previous prime is 13231115141. The next prime is 13231115173. The reversal of 13231115152 is 25151113231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467598 + ... + 495085.

It is an arithmetic number, because the mean of its divisors is an integer number (1283257772).

Almost surely, 2^13231115152 is an apocalyptic number.

It is an amenable number.

13231115152 is a deficient number, since it is larger than the sum of its proper divisors (12434040288).

13231115152 is an equidigital number, since it uses as much as digits as its factorization.

13231115152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963550 (or 963544 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

Adding to 13231115152 its reverse (25151113231), we get a palindrome (38382228383).

The spelling of 13231115152 in words is "thirteen billion, two hundred thirty-one million, one hundred fifteen thousand, one hundred fifty-two".