13160331 has 12 divisors (see below), whose sum is σ = 20010120. Its totient is φ = 8311680.

The previous prime is 13160321. The next prime is 13160339. The reversal of 13160331 is 13306131.

13160331 is a `hidden beast` number, since 1 + 31 + 603 + 31 = 666.

It is not a de Polignac number, because 13160331 - 2⁵ = 13160299 is a prime.

It is a super-2 number, since 2×13160331² = 346388624059122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13160339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38310 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (1667510).

Almost surely, 2^13160331 is an apocalyptic number.

13160331 is a deficient number, since it is larger than the sum of its proper divisors (6849789).

13160331 is a wasteful number, since it uses less digits than its factorization.

13160331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76986 (or 76983 counting only the distinct ones).

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

The square root of 13160331 is about 3627.7170507083. The cubic root of 13160331 is about 236.0961675966.

Adding to 13160331 its reverse (13306131), we get a palindrome (26466462).

The spelling of 13160331 in words is "thirteen million, one hundred sixty thousand, three hundred thirty-one".