1312370317 has 16 divisors (see below), whose sum is σ = 1381484160. Its totient is φ = 1244320000.

The previous prime is 1312370281. The next prime is 1312370341. The reversal of 1312370317 is 7130732131.

It is a cyclic number.

It is not a de Polignac number, because 1312370317 - 2¹⁵ = 1312337549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312370377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621809 + ... + 1622617.

It is an arithmetic number, because the mean of its divisors is an integer number (86342760).

Almost surely, 2^1312370317 is an apocalyptic number.

It is an amenable number.

1312370317 is a deficient number, since it is larger than the sum of its proper divisors (69113843).

1312370317 is a wasteful number, since it uses less digits than its factorization.

1312370317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 1312370317 is about 36226.6520258221. The cubic root of 1312370317 is about 1094.8437235188.

The spelling of 1312370317 in words is "one billion, three hundred twelve million, three hundred seventy thousand, three hundred seventeen".