992071931 has 2 divisors, whose sum is σ = 992071932. Its totient is φ = 992071930.

The previous prime is 992071897. The next prime is 992071939. The reversal of 992071931 is 139170299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 992071931 - 2⁶ = 992071867 is a prime.

It is a super-2 number, since 2×992071931² = 1968413432556137522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (992071939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496035965 + 496035966.

It is an arithmetic number, because the mean of its divisors is an integer number (496035966).

Almost surely, 2^992071931 is an apocalyptic number.

992071931 is a deficient number, since it is larger than the sum of its proper divisors (1).

992071931 is an equidigital number, since it uses as much as digits as its factorization.

992071931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 992071931 is about 31497.1733811147. The cubic root of 992071931 is about 997.3502956011.

The spelling of 992071931 in words is "nine hundred ninety-two million, seventy-one thousand, nine hundred thirty-one".