13312131351 has 4 divisors (see below), whose sum is σ = 17749508472. Its totient is φ = 8874754232.

The previous prime is 13312131341. The next prime is 13312131361. The reversal of 13312131351 is 15313121331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13312131341) and next prime (13312131361).

It is a cyclic number.

It is not a de Polignac number, because 13312131351 - 2²² = 13307937047 is a prime.

It is a super-2 number, since 2×13312131351² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312131311) 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, 2218688556 + ... + 2218688561.

It is an arithmetic number, because the mean of its divisors is an integer number (4437377118).

Almost surely, 2^13312131351 is an apocalyptic number.

13312131351 is a deficient number, since it is larger than the sum of its proper divisors (4437377121).

13312131351 is an equidigital number, since it uses as much as digits as its factorization.

13312131351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437377120.

The product of its digits is 810, while the sum is 24.

Adding to 13312131351 its reverse (15313121331), we get a palindrome (28625252682).

The spelling of 13312131351 in words is "thirteen billion, three hundred twelve million, one hundred thirty-one thousand, three hundred fifty-one".