13000131 has 6 divisors (see below), whose sum is σ = 18777980. Its totient is φ = 8666748.

The previous prime is 13000081. The next prime is 13000133. The reversal of 13000131 is 13100031.

It is not a de Polignac number, because 13000131 - 2¹³ = 12991939 is a prime.

It is a super-2 number, since 2×13000131² = 338006812034322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1444459 = 13000131 / (1 + 3 + 0 + 0 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000133) 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 5 ways as a sum of consecutive naturals, for example, 722221 + ... + 722238.

Almost surely, 2^13000131 is an apocalyptic number.

13000131 is a deficient number, since it is larger than the sum of its proper divisors (5777849).

13000131 is a wasteful number, since it uses less digits than its factorization.

13000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444465 (or 1444462 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 13000131 is about 3605.5694418497. The cubic root of 13000131 is about 235.1342585767.

Adding to 13000131 its reverse (13100031), we get a palindrome (26100162).

It can be divided in two parts, 13000 and 131, that added together give a palindrome (13131).

The spelling of 13000131 in words is "thirteen million, one hundred thirty-one", and thus it is an aban number.