1315315000 has 40 divisors (see below), whose sum is σ = 3081794760. Its totient is φ = 526124000.

The previous prime is 1315314947. The next prime is 1315315019. The reversal of 1315315000 is 5135131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 126532 + ... + 136531.

It is an arithmetic number, because the mean of its divisors is an integer number (77044869).

Almost surely, 2^1315315000 is an apocalyptic number.

1315315000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315315000 is an abundant number, since it is smaller than the sum of its proper divisors (1766479760).

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

1315315000 is an equidigital number, since it uses as much as digits as its factorization.

1315315000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263089 (or 263070 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1315315000 is about 36267.2717474033. The cubic root of 1315315000 is about 1095.6619781832.

The spelling of 1315315000 in words is "one billion, three hundred fifteen million, three hundred fifteen thousand".