313132121001 has 24 divisors (see below), whose sum is σ = 539638124640. Its totient is φ = 178932639816.

The previous prime is 313132120979. The next prime is 313132121011. The reversal of 313132121001 is 100121231313.

313132121001 is a `hidden beast` number, since 3 + 131 + 321 + 210 + 0 + 1 = 666.

It is not a de Polignac number, because 313132121001 - 2⁹ = 313132120489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313132121011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118340371 + ... + 118343016.

It is an arithmetic number, because the mean of its divisors is an integer number (22484921860).

Almost surely, 2^313132121001 is an apocalyptic number.

It is an amenable number.

313132121001 is a deficient number, since it is larger than the sum of its proper divisors (226506003639).

313132121001 is a wasteful number, since it uses less digits than its factorization.

313132121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236683410 (or 236683397 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 313132121001 its reverse (100121231313), we get a palindrome (413253352314).

The spelling of 313132121001 in words is "three hundred thirteen billion, one hundred thirty-two million, one hundred twenty-one thousand, one".