1313131324 has 12 divisors (see below), whose sum is σ = 2298835000. Its totient is φ = 656321328.

The previous prime is 1313131321. The next prime is 1313131333. The reversal of 1313131324 is 4231313131.

It is a junction number, because it is equal to n+sod(n) for n = 1313131295 and 1313131304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313131321) 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, 48714 + ... + 70705.

Almost surely, 2^1313131324 is an apocalyptic number.

It is an amenable number.

1313131324 is a deficient number, since it is larger than the sum of its proper divisors (985703676).

1313131324 is a wasteful number, since it uses less digits than its factorization.

1313131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122172 (or 122170 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 1313131324 is about 36237.1539169400. The cubic root of 1313131324 is about 1095.0553057559.

Adding to 1313131324 its reverse (4231313131), we get a palindrome (5544444455).

The spelling of 1313131324 in words is "one billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-four".