13001502131 has 4 divisors (see below), whose sum is σ = 13766296392. Its totient is φ = 12236707872.

The previous prime is 13001502127. The next prime is 13001502139. The reversal of 13001502131 is 13120510031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13001502131 - 2² = 13001502127 is a prime.

It is a super-2 number, since 2×13001502131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 764794243 = 13001502131 / (1 + 3 + 0 + 0 + 1 + 5 + 0 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001502139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382397105 + ... + 382397138.

It is an arithmetic number, because the mean of its divisors is an integer number (3441574098).

Almost surely, 2^13001502131 is an apocalyptic number.

13001502131 is a deficient number, since it is larger than the sum of its proper divisors (764794261).

13001502131 is an equidigital number, since it uses as much as digits as its factorization.

13001502131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764794260.

The product of its (nonzero) digits is 90, while the sum is 17.

The spelling of 13001502131 in words is "thirteen billion, one million, five hundred two thousand, one hundred thirty-one".