1315309696 has 32 divisors (see below), whose sum is σ = 2659470480. Its totient is φ = 647834880.

The previous prime is 1315309679. The next prime is 1315309739. The reversal of 1315309696 is 6969035131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1315309696² = 3460079192783224832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68110 + ... + 85261.

Almost surely, 2^1315309696 is an apocalyptic number.

1315309696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1315309696 is an abundant number, since it is smaller than the sum of its proper divisors (1344160784).

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

1315309696 is an equidigital number, since it uses as much as digits as its factorization.

1315309696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153452 (or 153440 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 1315309696 is about 36267.1986235496. The cubic root of 1315309696 is about 1095.6605054310.

The spelling of 1315309696 in words is "one billion, three hundred fifteen million, three hundred nine thousand, six hundred ninety-six".