7313223137 has 8 divisors (see below), whose sum is σ = 8001057312. Its totient is φ = 6629221600.

The previous prime is 7313223059. The next prime is 7313223173.

7313223137 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7313223137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7313243137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954164 + ... + 961797.

It is an arithmetic number, because the mean of its divisors is an integer number (1000132164).

Almost surely, 2^7313223137 is an apocalyptic number.

It is an amenable number.

7313223137 is a deficient number, since it is larger than the sum of its proper divisors (687834175).

7313223137 is a wasteful number, since it uses less digits than its factorization.

7313223137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916319.

The product of its digits is 15876, while the sum is 32.

The square root of 7313223137 is about 85517.3849986072. The cubic root of 7313223137 is about 1941.0479987012.

It can be divided in two parts, 73132 and 23137, that added together give a palindrome (96269).

The spelling of 7313223137 in words is "seven billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred thirty-seven".