513323113 has 24 divisors (see below), whose sum is σ = 555647040. Its totient is φ = 473457600.

The previous prime is 513323099. The next prime is 513323117. The reversal of 513323113 is 311323315.

It is a happy number.

It is not a de Polignac number, because 513323113 - 2⁵ = 513323081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513323117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7229868 + ... + 7229938.

It is an arithmetic number, because the mean of its divisors is an integer number (23151960).

Almost surely, 2^513323113 is an apocalyptic number.

It is an amenable number.

513323113 is a deficient number, since it is larger than the sum of its proper divisors (42323927).

513323113 is an equidigital number, since it uses as much as digits as its factorization.

513323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 228 counting only the distinct ones).

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

The square root of 513323113 is about 22656.6350767275. The cubic root of 513323113 is about 800.6885285946.

Adding to 513323113 its reverse (311323315), we get a palindrome (824646428).

It can be divided in two parts, 51332 and 3113, that added together give a palindrome (54445).

The spelling of 513323113 in words is "five hundred thirteen million, three hundred twenty-three thousand, one hundred thirteen".