13131333312231 has 32 divisors (see below), whose sum is σ = 18124319646720. Its totient is φ = 8452139769216.

The previous prime is 13131333312193. The next prime is 13131333312319. The reversal of 13131333312231 is 13221333313131.

It is not a de Polignac number, because 13131333312231 - 2⁷ = 13131333312103 is a prime.

It is a super-2 number, since 2×13131333312231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131333312631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 943285 + ... + 5210801.

It is an arithmetic number, because the mean of its divisors is an integer number (566384988960).

Almost surely, 2^{13131333312231} is an apocalyptic number.

13131333312231 is a deficient number, since it is larger than the sum of its proper divisors (4992986334489).

13131333312231 is a wasteful number, since it uses less digits than its factorization.

13131333312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267863.

The product of its digits is 8748, while the sum is 30.

Adding to 13131333312231 its reverse (13221333313131), we get a palindrome (26352666625362).

The spelling of 13131333312231 in words is "thirteen trillion, one hundred thirty-one billion, three hundred thirty-three million, three hundred twelve thousand, two hundred thirty-one".