1313510052 has 72 divisors (see below), whose sum is σ = 3339340032. Its totient is φ = 401371200.

The previous prime is 1313510039. The next prime is 1313510057. The reversal of 1313510052 is 2500153131.

It is not an unprimeable number, because it can be changed into a prime (1313510057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129402 + ... + 139182.

Almost surely, 2^1313510052 is an apocalyptic number.

1313510052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313510052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669670016).

1313510052 is an abundant number, since it is smaller than the sum of its proper divisors (2025829980).

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

1313510052 is a wasteful number, since it uses less digits than its factorization.

1313510052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857 (or 9836 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1313510052 is about 36242.3792265353. The cubic root of 1313510052 is about 1095.1605727700.

Adding to 1313510052 its reverse (2500153131), we get a palindrome (3813663183).

The spelling of 1313510052 in words is "one billion, three hundred thirteen million, five hundred ten thousand, fifty-two".