13033232131 has 4 divisors (see below), whose sum is σ = 13036875264. Its totient is φ = 13029589000.

The previous prime is 13033232111. The next prime is 13033232137. The reversal of 13033232131 is 13123233031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13123233031 = 4561 ⋅2877271.

It is a cyclic number.

It is not a de Polignac number, because 13033232131 - 2⁹ = 13033231619 is a prime.

It is a super-2 number, since 2×13033232131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13033232137) 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, 1816195 + ... + 1823356.

It is an arithmetic number, because the mean of its divisors is an integer number (3259218816).

Almost surely, 2^13033232131 is an apocalyptic number.

13033232131 is a deficient number, since it is larger than the sum of its proper divisors (3643133).

13033232131 is an equidigital number, since it uses as much as digits as its factorization.

13033232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643132.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13033232131 its reverse (13123233031), we get a palindrome (26156465162).

The spelling of 13033232131 in words is "thirteen billion, thirty-three million, two hundred thirty-two thousand, one hundred thirty-one".