1313124321 has 16 divisors (see below), whose sum is σ = 1818452160. Its totient is φ = 841848000.

The previous prime is 1313124289. The next prime is 1313124401. The reversal of 1313124321 is 1234213131.

1313124321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1313124321 - 2⁵ = 1313124289 is a prime.

It is a super-2 number, since 2×1313124321² = 3448590964803422082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313124221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8230 + ... + 51903.

It is an arithmetic number, because the mean of its divisors is an integer number (113653260).

Almost surely, 2^1313124321 is an apocalyptic number.

It is an amenable number.

1313124321 is a deficient number, since it is larger than the sum of its proper divisors (505327839).

1313124321 is a wasteful number, since it uses less digits than its factorization.

1313124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60416.

The product of its digits is 432, while the sum is 21.

The square root of 1313124321 is about 36237.0572894654. The cubic root of 1313124321 is about 1095.0533590895.

Adding to 1313124321 its reverse (1234213131), we get a palindrome (2547337452).

The spelling of 1313124321 in words is "one billion, three hundred thirteen million, one hundred twenty-four thousand, three hundred twenty-one".