7313831479 has 4 divisors (see below), whose sum is σ = 7631824176. Its totient is φ = 6995838784.

The previous prime is 7313831471. The next prime is 7313831489. The reversal of 7313831479 is 9741383137.

7313831479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7313831479 - 2³ = 7313831471 is a prime.

It is a super-2 number, since 2×7313831479² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7313831471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158996314 + ... + 158996359.

It is an arithmetic number, because the mean of its divisors is an integer number (1907956044).

Almost surely, 2^7313831479 is an apocalyptic number.

7313831479 is a deficient number, since it is larger than the sum of its proper divisors (317992697).

7313831479 is a wasteful number, since it uses less digits than its factorization.

7313831479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317992696.

The product of its digits is 381024, while the sum is 46.

The square root of 7313831479 is about 85520.9417569755. The cubic root of 7313831479 is about 1941.1018184858.

The spelling of 7313831479 in words is "seven billion, three hundred thirteen million, eight hundred thirty-one thousand, four hundred seventy-nine".