1313306775 has 54 divisors (see below), whose sum is σ = 2585615760. Its totient is φ = 636741600.

The previous prime is 1313306773. The next prime is 1313306777. The reversal of 1313306775 is 5776033131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313306773) and next prime (1313306777).

It is not a de Polignac number, because 1313306775 - 2¹ = 1313306773 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313306773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 3106 + ... + 51344.

Almost surely, 2^1313306775 is an apocalyptic number.

1313306775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313306775 is a deficient number, since it is larger than the sum of its proper divisors (1272308985).

1313306775 is a wasteful number, since it uses less digits than its factorization.

1313306775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48277 (or 48258 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 1313306775 is about 36239.5747077694. The cubic root of 1313306775 is about 1095.1040746766.

The spelling of 1313306775 in words is "one billion, three hundred thirteen million, three hundred six thousand, seven hundred seventy-five".