202323131971 has 2 divisors, whose sum is σ = 202323131972. Its totient is φ = 202323131970.

The previous prime is 202323131957. The next prime is 202323132001. The reversal of 202323131971 is 179131323202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202323131971 - 2¹⁵ = 202323099203 is a prime.

It is not a weakly prime, because it can be changed into another prime (202323131911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101161565985 + 101161565986.

It is an arithmetic number, because the mean of its divisors is an integer number (101161565986).

Almost surely, 2^202323131971 is an apocalyptic number.

202323131971 is a deficient number, since it is larger than the sum of its proper divisors (1).

202323131971 is an equidigital number, since it uses as much as digits as its factorization.

202323131971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 202323131971 in words is "two hundred two billion, three hundred twenty-three million, one hundred thirty-one thousand, nine hundred seventy-one".