13013111321 has 8 divisors (see below), whose sum is σ = 14880015360. Its totient is φ = 11148179328.

The previous prime is 13013111317. The next prime is 13013111369. The reversal of 13013111321 is 12311131031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13013111321 - 2² = 13013111317 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13013111321.

It is not an unprimeable number, because it can be changed into a prime (13013111821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478841 + ... + 505286.

It is an arithmetic number, because the mean of its divisors is an integer number (1860001920).

Almost surely, 2^13013111321 is an apocalyptic number.

It is an amenable number.

13013111321 is a deficient number, since it is larger than the sum of its proper divisors (1866904039).

13013111321 is an equidigital number, since it uses as much as digits as its factorization.

13013111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986023.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13013111321 its reverse (12311131031), we get a palindrome (25324242352).

The spelling of 13013111321 in words is "thirteen billion, thirteen million, one hundred eleven thousand, three hundred twenty-one".