1317044413 has 4 divisors (see below), whose sum is σ = 1386362560. Its totient is φ = 1247726268.

The previous prime is 1317044381. The next prime is 1317044419. The reversal of 1317044413 is 3144407131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3144407131 = 10853 ⋅289727.

It is a cyclic number.

It is not a de Polignac number, because 1317044413 - 2⁵ = 1317044381 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 (1317044419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34659045 + ... + 34659082.

It is an arithmetic number, because the mean of its divisors is an integer number (346590640).

Almost surely, 2^1317044413 is an apocalyptic number.

It is an amenable number.

1317044413 is a deficient number, since it is larger than the sum of its proper divisors (69318147).

1317044413 is an equidigital number, since it uses as much as digits as its factorization.

1317044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69318146.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1317044413 is about 36291.1065276329. The cubic root of 1317044413 is about 1096.1419702273.

The spelling of 1317044413 in words is "one billion, three hundred seventeen million, forty-four thousand, four hundred thirteen".