13013320131 has 24 divisors (see below), whose sum is σ = 21626498400. Its totient is φ = 7386270336.

The previous prime is 13013320127. The next prime is 13013320141. The reversal of 13013320131 is 13102331031.

It is a happy number.

13013320131 is a `hidden beast` number, since 1 + 301 + 332 + 0 + 1 + 31 = 666.

It is not a de Polignac number, because 13013320131 - 2² = 13013320127 is a prime.

It is a super-2 number, since 2×13013320131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13013320141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683770 + ... + 702543.

It is an arithmetic number, because the mean of its divisors is an integer number (901104100).

Almost surely, 2^13013320131 is an apocalyptic number.

13013320131 is a deficient number, since it is larger than the sum of its proper divisors (8613178269).

13013320131 is a wasteful number, since it uses less digits than its factorization.

13013320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386475 (or 1386472 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13013320131 its reverse (13102331031), we get a palindrome (26115651162).

The spelling of 13013320131 in words is "thirteen billion, thirteen million, three hundred twenty thousand, one hundred thirty-one".