313602256121 has 32 divisors (see below), whose sum is σ = 394010480640. Its totient is φ = 242476156800.

The previous prime is 313602256057. The next prime is 313602256127. The reversal of 313602256121 is 121652206313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313602256121 - 2⁶ = 313602256057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313602256127) 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 31 ways as a sum of consecutive naturals, for example, 22865456 + ... + 22879166.

It is an arithmetic number, because the mean of its divisors is an integer number (12312827520).

Almost surely, 2^313602256121 is an apocalyptic number.

It is an amenable number.

313602256121 is a deficient number, since it is larger than the sum of its proper divisors (80408224519).

313602256121 is a wasteful number, since it uses less digits than its factorization.

313602256121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16005.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 313602256121 in words is "three hundred thirteen billion, six hundred two million, two hundred fifty-six thousand, one hundred twenty-one".