202131210323313 has 24 divisors (see below), whose sum is σ = 309534661751328. Its totient is φ = 126666272990592.

The previous prime is 202131210323303. The next prime is 202131210323327. The reversal of 202131210323313 is 313323012131202.

202131210323313 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 3 + 1 + 21 + 0 + 323 + 313 = 666.

It is not a de Polignac number, because 202131210323313 - 2⁸ = 202131210323057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202131210323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 839218231 + ... + 839459052.

It is an arithmetic number, because the mean of its divisors is an integer number (12897277572972).

Almost surely, 2^{202131210323313} is an apocalyptic number.

It is an amenable number.

202131210323313 is a deficient number, since it is larger than the sum of its proper divisors (107403451428015).

202131210323313 is a wasteful number, since it uses less digits than its factorization.

202131210323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678678093 (or 1678678090 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 202131210323313 its reverse (313323012131202), we get a palindrome (515454222454515).

The spelling of 202131210323313 in words is "two hundred two trillion, one hundred thirty-one billion, two hundred ten million, three hundred twenty-three thousand, three hundred thirteen".