1317751323 has 16 divisors (see below), whose sum is σ = 2011858176. Its totient is φ = 751554720.

The previous prime is 1317751319. The next prime is 1317751333. The reversal of 1317751323 is 3231577131.

It is not a de Polignac number, because 1317751323 - 2² = 1317751319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1317751313) 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, 49008 + ... + 70973.

It is an arithmetic number, because the mean of its divisors is an integer number (125741136).

Almost surely, 2^1317751323 is an apocalyptic number.

1317751323 is a deficient number, since it is larger than the sum of its proper divisors (694106853).

1317751323 is a wasteful number, since it uses less digits than its factorization.

1317751323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120514.

The product of its digits is 13230, while the sum is 33.

The square root of 1317751323 is about 36300.8446595944. The cubic root of 1317751323 is about 1096.3380494480.

The spelling of 1317751323 in words is "one billion, three hundred seventeen million, seven hundred fifty-one thousand, three hundred twenty-three".