1312533324 has 36 divisors (see below), whose sum is σ = 3318897400. Its totient is φ = 437365440.

The previous prime is 1312533289. The next prime is 1312533337. The reversal of 1312533324 is 4233352131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1312533324² = 3445487453220977952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192819 + ... + 199509.

Almost surely, 2^1312533324 is an apocalyptic number.

It is an amenable number.

1312533324 is an abundant number, since it is smaller than the sum of its proper divisors (2006364076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312533324 is a wasteful number, since it uses less digits than its factorization.

1312533324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150 (or 12145 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 1312533324 is about 36228.9017774483. The cubic root of 1312533324 is about 1094.8890511219.

Adding to 1312533324 its reverse (4233352131), we get a palindrome (5545885455).

The spelling of 1312533324 in words is "one billion, three hundred twelve million, five hundred thirty-three thousand, three hundred twenty-four".