7312331656 has 32 divisors (see below), whose sum is σ = 15704706240. Its totient is φ = 3126771648.

The previous prime is 7312331651. The next prime is 7312331681. The reversal of 7312331656 is 6561332137.

It is not an unprimeable number, because it can be changed into a prime (7312331651) 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 7 ways as a sum of consecutive naturals, for example, 122571 + ... + 172186.

It is an arithmetic number, because the mean of its divisors is an integer number (490772070).

Almost surely, 2^7312331656 is an apocalyptic number.

It is an amenable number.

7312331656 is an abundant number, since it is smaller than the sum of its proper divisors (8392374584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7312331656 is a wasteful number, since it uses less digits than its factorization.

7312331656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295213 (or 295209 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 7312331656 is about 85512.1725604022. The cubic root of 7312331656 is about 1940.9691243255.

The spelling of 7312331656 in words is "seven billion, three hundred twelve million, three hundred thirty-one thousand, six hundred fifty-six".