13120444402131 has 48 divisors (see below), whose sum is σ = 19770067385600. Its totient is φ = 7728445327680.

The previous prime is 13120444402003. The next prime is 13120444402151.

It is a happy number.

13120444402131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13120444402131 - 2⁷ = 13120444402003 is a prime.

It is a super-2 number, since 2×13120444402131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120444402151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11811600 + ... + 12874578.

Almost surely, 2^{13120444402131} is an apocalyptic number.

13120444402131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13120444402131 is a deficient number, since it is larger than the sum of its proper divisors (6649622983469).

13120444402131 is a wasteful number, since it uses less digits than its factorization.

13120444402131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063960 (or 1063949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

It can be divided in two parts, 1312044 and 4402131, that added together give a palindrome (5714175).

The spelling of 13120444402131 in words is "thirteen trillion, one hundred twenty billion, four hundred forty-four million, four hundred two thousand, one hundred thirty-one".