1017388313 has 4 divisors (see below), whose sum is σ = 1025154768. Its totient is φ = 1009621860.

The previous prime is 1017388301. The next prime is 1017388363. The reversal of 1017388313 is 3138837101.

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: 3138837101 = 157 ⋅19992593.

It is a cyclic number.

It is not a de Polignac number, because 1017388313 - 2¹⁰ = 1017387289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1017388363) 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, 3883031 + ... + 3883292.

It is an arithmetic number, because the mean of its divisors is an integer number (256288692).

Almost surely, 2^1017388313 is an apocalyptic number.

It is an amenable number.

1017388313 is a deficient number, since it is larger than the sum of its proper divisors (7766455).

1017388313 is an equidigital number, since it uses as much as digits as its factorization.

1017388313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766454.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1017388313 is about 31896.5250928687. The cubic root of 1017388313 is about 1005.7628303250.

The spelling of 1017388313 in words is "one billion, seventeen million, three hundred eighty-eight thousand, three hundred thirteen".