13131322324 has 12 divisors (see below), whose sum is σ = 22981746004. Its totient is φ = 6565109184.

The previous prime is 13131322307. The next prime is 13131322331. The reversal of 13131322324 is 42322313131.

It can be written as a sum of positive squares in 2 ways, for example, as 5269308100 + 7862014224 = 72590^2 + 88668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81939 + ... + 181594.

Almost surely, 2^13131322324 is an apocalyptic number.

It is an amenable number.

13131322324 is a deficient number, since it is larger than the sum of its proper divisors (9850423680).

13131322324 is a wasteful number, since it uses less digits than its factorization.

13131322324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275994 (or 275992 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 13131322324 its reverse (42322313131), we get a palindrome (55453635455).

The spelling of 13131322324 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-four".