13311137483231 has 4 divisors (see below), whose sum is σ = 15212728552272. Its totient is φ = 11409546414192.

The previous prime is 13311137483177. The next prime is 13311137483257. The reversal of 13311137483231 is 13238473111331.

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 13311137483231 - 2⁶ = 13311137483167 is a prime.

It is a super-2 number, since 2×13311137483231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311137489231) 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, 950795534510 + ... + 950795534523.

It is an arithmetic number, because the mean of its divisors is an integer number (3803182138068).

Almost surely, 2^{13311137483231} is an apocalyptic number.

13311137483231 is a deficient number, since it is larger than the sum of its proper divisors (1901591069041).

13311137483231 is an equidigital number, since it uses as much as digits as its factorization.

13311137483231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901591069040.

The product of its digits is 108864, while the sum is 41.

The spelling of 13311137483231 in words is "thirteen trillion, three hundred eleven billion, one hundred thirty-seven million, four hundred eighty-three thousand, two hundred thirty-one".