13013013220231 has 4 divisors (see below), whose sum is σ = 13139353154512. Its totient is φ = 12886673285952.

The previous prime is 13013013220219. The next prime is 13013013220243. The reversal of 13013013220231 is 13202231031031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13013013220219) and next prime (13013013220243).

It is a cyclic number.

It is not a de Polignac number, because 13013013220231 - 2⁵ = 13013013220199 is a prime.

It is a super-2 number, since 2×13013013220231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013013220261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63169966986 + ... + 63169967191.

It is an arithmetic number, because the mean of its divisors is an integer number (3284838288628).

Almost surely, 2^{13013013220231} is an apocalyptic number.

13013013220231 is a deficient number, since it is larger than the sum of its proper divisors (126339934281).

13013013220231 is a wasteful number, since it uses less digits than its factorization.

13013013220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126339934280.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13013013220231 its reverse (13202231031031), we get a palindrome (26215244251262).

The spelling of 13013013220231 in words is "thirteen trillion, thirteen billion, thirteen million, two hundred twenty thousand, two hundred thirty-one".