7313257318 has 8 divisors (see below), whose sum is σ = 11048806440. Its totient is φ = 3630321840.

The previous prime is 7313257313. The next prime is 7313257331. The reversal of 7313257318 is 8137523137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7313257313) 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, 13153063 + ... + 13153618.

It is an arithmetic number, because the mean of its divisors is an integer number (1381100805).

Almost surely, 2^7313257318 is an apocalyptic number.

7313257318 is a deficient number, since it is larger than the sum of its proper divisors (3735549122).

7313257318 is a wasteful number, since it uses less digits than its factorization.

7313257318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26306822.

The product of its digits is 105840, while the sum is 40.

The square root of 7313257318 is about 85517.5848466267. The cubic root of 7313257318 is about 1941.0510227604.

The spelling of 7313257318 in words is "seven billion, three hundred thirteen million, two hundred fifty-seven thousand, three hundred eighteen".