13015113321 has 16 divisors (see below), whose sum is σ = 19854941184. Its totient is φ = 7428812304.

The previous prime is 13015113301. The next prime is 13015113347. The reversal of 13015113321 is 12331151031.

It is not a de Polignac number, because 13015113321 - 2⁹ = 13015112809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13015113301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330735 + ... + 367988.

It is an arithmetic number, because the mean of its divisors is an integer number (1240933824).

Almost surely, 2^13015113321 is an apocalyptic number.

It is an amenable number.

13015113321 is a deficient number, since it is larger than the sum of its proper divisors (6839827863).

13015113321 is an equidigital number, since it uses as much as digits as its factorization.

13015113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699620.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 13015113321 its reverse (12331151031), we get a palindrome (25346264352).

The spelling of 13015113321 in words is "thirteen billion, fifteen million, one hundred thirteen thousand, three hundred twenty-one".