23002013131 has 4 divisors (see below), whose sum is σ = 23007234600. Its totient is φ = 22996791664.

The previous prime is 23002013129. The next prime is 23002013137. The reversal of 23002013131 is 13131020032.

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 23002013131 - 2¹ = 23002013129 is a prime.

It is a super-2 number, since 2×23002013131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23002013137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604121 + ... + 2612938.

It is an arithmetic number, because the mean of its divisors is an integer number (5751808650).

Almost surely, 2^23002013131 is an apocalyptic number.

23002013131 is a deficient number, since it is larger than the sum of its proper divisors (5221469).

23002013131 is an equidigital number, since it uses as much as digits as its factorization.

23002013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221468.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23002013131 its reverse (13131020032), we get a palindrome (36133033163).

The spelling of 23002013131 in words is "twenty-three billion, two million, thirteen thousand, one hundred thirty-one".