1317218352 has 40 divisors (see below), whose sum is σ = 3494786736. Its totient is φ = 427205376.

The previous prime is 1317218347. The next prime is 1317218363. The reversal of 1317218352 is 2538127131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369063 + ... + 372614.

Almost surely, 2^1317218352 is an apocalyptic number.

1317218352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317218352 is an abundant number, since it is smaller than the sum of its proper divisors (2177568384).

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

1317218352 is a wasteful number, since it uses less digits than its factorization.

1317218352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741725 (or 741719 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 1317218352 is about 36293.5028896358. The cubic root of 1317218352 is about 1096.1902230788.

The spelling of 1317218352 in words is "one billion, three hundred seventeen million, two hundred eighteen thousand, three hundred fifty-two".