1315311504 has 80 divisors (see below), whose sum is σ = 3664473792. Its totient is φ = 404135424.

The previous prime is 1315311479. The next prime is 1315311521. The reversal of 1315311504 is 4051135131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699814 + ... + 701690.

Almost surely, 2^1315311504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315311504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832236896).

1315311504 is an abundant number, since it is smaller than the sum of its proper divisors (2349162288).

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

1315311504 is a wasteful number, since it uses less digits than its factorization.

1315311504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1315311504 is about 36267.2235496460. The cubic root of 1315311504 is about 1095.6610074556.

Adding to 1315311504 its reverse (4051135131), we get a palindrome (5366446635).

The spelling of 1315311504 in words is "one billion, three hundred fifteen million, three hundred eleven thousand, five hundred four".