202131079 has 2 divisors, whose sum is σ = 202131080. Its totient is φ = 202131078.

The previous prime is 202131049. The next prime is 202131091. The reversal of 202131079 is 970131202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202131079 - 2⁹ = 202130567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202131019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065539 + 101065540.

It is an arithmetic number, because the mean of its divisors is an integer number (101065540).

Almost surely, 2^202131079 is an apocalyptic number.

202131079 is a deficient number, since it is larger than the sum of its proper divisors (1).

202131079 is an equidigital number, since it uses as much as digits as its factorization.

202131079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 202131079 is about 14217.2809988408. The cubic root of 202131079 is about 586.8733178172.

The spelling of 202131079 in words is "two hundred two million, one hundred thirty-one thousand, seventy-nine".