1317312577233 has 48 divisors (see below), whose sum is σ = 2007112798080. Its totient is φ = 830251648512.

The previous prime is 1317312577181. The next prime is 1317312577247. The reversal of 1317312577233 is 3327752137131.

It is a happy number.

1317312577233 is a `hidden beast` number, since 1 + 3 + 1 + 73 + 1 + 2 + 577 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 1317312577233 - 2²⁹ = 1316775706321 is a prime.

It is a super-2 number, since 2×1317312577233² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1317382577233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308285385 + ... + 308289657.

It is an arithmetic number, because the mean of its divisors is an integer number (41814849960).

Almost surely, 2^{1317312577233} is an apocalyptic number.

It is an amenable number.

1317312577233 is a deficient number, since it is larger than the sum of its proper divisors (689800220847).

1317312577233 is a wasteful number, since it uses less digits than its factorization.

1317312577233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638 (or 7635 counting only the distinct ones).

The product of its digits is 555660, while the sum is 45.

The spelling of 1317312577233 in words is "one trillion, three hundred seventeen billion, three hundred twelve million, five hundred seventy-seven thousand, two hundred thirty-three".