1313423271 has 6 divisors (see below), whose sum is σ = 1897166960. Its totient is φ = 875615508.

The previous prime is 1313423239. The next prime is 1313423273. The reversal of 1313423271 is 1723243131.

It is a happy number.

It is not a de Polignac number, because 1313423271 - 2⁵ = 1313423239 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 (1313423273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72967951 + ... + 72967968.

Almost surely, 2^1313423271 is an apocalyptic number.

1313423271 is a deficient number, since it is larger than the sum of its proper divisors (583743689).

1313423271 is a wasteful number, since it uses less digits than its factorization.

1313423271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145935925 (or 145935922 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1313423271 is about 36241.1819757579. The cubic root of 1313423271 is about 1095.1364538776.

The spelling of 1313423271 in words is "one billion, three hundred thirteen million, four hundred twenty-three thousand, two hundred seventy-one".