1313330312 has 32 divisors (see below), whose sum is σ = 2962401600. Its totient is φ = 533231424.

The previous prime is 1313330303. The next prime is 1313330323. The reversal of 1313330312 is 2130333131.

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, 616103 + ... + 618230.

It is an arithmetic number, because the mean of its divisors is an integer number (92575050).

Almost surely, 2^1313330312 is an apocalyptic number.

It is an amenable number.

1313330312 is an abundant number, since it is smaller than the sum of its proper divisors (1649071288).

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

1313330312 is a wasteful number, since it uses less digits than its factorization.

1313330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234365 (or 1234361 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1313330312 is about 36239.8994479841. The cubic root of 1313330312 is about 1095.1106167659.

Adding to 1313330312 its reverse (2130333131), we get a palindrome (3443663443).

The spelling of 1313330312 in words is "one billion, three hundred thirteen million, three hundred thirty thousand, three hundred twelve".