202132121313 has 32 divisors (see below), whose sum is σ = 277545807360. Its totient is φ = 130796789760.

The previous prime is 202132121293. The next prime is 202132121339. The reversal of 202132121313 is 313121231202.

It is not a de Polignac number, because 202132121313 - 2⁸ = 202132121057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202132121313.

It is not an unprimeable number, because it can be changed into a prime (202132121393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45349381 + ... + 45353837.

It is an arithmetic number, because the mean of its divisors is an integer number (8673306480).

Almost surely, 2^202132121313 is an apocalyptic number.

It is an amenable number.

202132121313 is a deficient number, since it is larger than the sum of its proper divisors (75413686047).

202132121313 is a wasteful number, since it uses less digits than its factorization.

202132121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 202132121313 its reverse (313121231202), we get a palindrome (515253352515).

The spelling of 202132121313 in words is "two hundred two billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred thirteen".