1317024320 has 28 divisors (see below), whose sum is σ = 3136164924. Its totient is φ = 526809600.

The previous prime is 1317024281. The next prime is 1317024337. The reversal of 1317024320 is 234207131.

It can be written as a sum of positive squares in 2 ways, for example, as 997043776 + 319980544 = 31576^2 + 17888^2 .

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, 2057531 + ... + 2058170.

Almost surely, 2^1317024320 is an apocalyptic number.

1317024320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317024320 is an abundant number, since it is smaller than the sum of its proper divisors (1819140604).

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

1317024320 is an equidigital number, since it uses as much as digits as its factorization.

1317024320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115718 (or 4115708 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1317024320 is about 36290.8296956683. The cubic root of 1317024320 is about 1096.1363959044.

The spelling of 1317024320 in words is "one billion, three hundred seventeen million, twenty-four thousand, three hundred twenty".