513313132 has 24 divisors (see below), whose sum is σ = 920816064. Its totient is φ = 250263552.

The previous prime is 513313093. The next prime is 513313183. The reversal of 513313132 is 231313315.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47148 + ... + 57004.

It is an arithmetic number, because the mean of its divisors is an integer number (38367336).

Almost surely, 2^513313132 is an apocalyptic number.

It is an amenable number.

513313132 is a deficient number, since it is larger than the sum of its proper divisors (407502932).

513313132 is a wasteful number, since it uses less digits than its factorization.

513313132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185 (or 10183 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 513313132 is about 22656.4148090557. The cubic root of 513313132 is about 800.6833390601.

Adding to 513313132 its reverse (231313315), we get a palindrome (744626447).

The spelling of 513313132 in words is "five hundred thirteen million, three hundred thirteen thousand, one hundred thirty-two".