13120131331 has 2 divisors, whose sum is σ = 13120131332. Its totient is φ = 13120131330.

The previous prime is 13120131307. The next prime is 13120131347. The reversal of 13120131331 is 13313102131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120131331 - 2¹¹ = 13120129283 is a prime.

It is a super-2 number, since 2×13120131331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13120131299 and 13120131308.

It is not a weakly prime, because it can be changed into another prime (13120131301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560065665 + 6560065666.

It is an arithmetic number, because the mean of its divisors is an integer number (6560065666).

Almost surely, 2^13120131331 is an apocalyptic number.

13120131331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120131331 is an equidigital number, since it uses as much as digits as its factorization.

13120131331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13120131331 its reverse (13313102131), we get a palindrome (26433233462).

The spelling of 13120131331 in words is "thirteen billion, one hundred twenty million, one hundred thirty-one thousand, three hundred thirty-one".