13112033231131 has 4 divisors (see below), whose sum is σ = 13118612276392. Its totient is φ = 13105454185872.

The previous prime is 13112033231053. The next prime is 13112033231153. The reversal of 13112033231131 is 13113233021131.

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 13112033231131 - 2³³ = 13103443296539 is a prime.

It is a super-2 number, since 2×13112033231131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112033231096 and 13112033231105.

It is not an unprimeable number, because it can be changed into a prime (13112036231131) 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, 3289519641 + ... + 3289523626.

It is an arithmetic number, because the mean of its divisors is an integer number (3279653069098).

Almost surely, 2^{13112033231131} is an apocalyptic number.

13112033231131 is a deficient number, since it is larger than the sum of its proper divisors (6579045261).

13112033231131 is an equidigital number, since it uses as much as digits as its factorization.

13112033231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579045260.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13112033231131 its reverse (13113233021131), we get a palindrome (26225266252262).

The spelling of 13112033231131 in words is "thirteen trillion, one hundred twelve billion, thirty-three million, two hundred thirty-one thousand, one hundred thirty-one".