202100123130331 has 2 divisors, whose sum is σ = 202100123130332. Its totient is φ = 202100123130330.

The previous prime is 202100123130317. The next prime is 202100123130361. The reversal of 202100123130331 is 133031321001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202100123130331 - 2³¹ = 202097975646683 is a prime.

It is a super-2 number, since 2×202100123130331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202100123130361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050061565165 + 101050061565166.

It is an arithmetic number, because the mean of its divisors is an integer number (101050061565166).

Almost surely, 2^{202100123130331} is an apocalyptic number.

202100123130331 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100123130331 is an equidigital number, since it uses as much as digits as its factorization.

202100123130331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 202100123130331 its reverse (133031321001202), we get a palindrome (335131444131533).

The spelling of 202100123130331 in words is "two hundred two trillion, one hundred billion, one hundred twenty-three million, one hundred thirty thousand, three hundred thirty-one".