992347931 has 2 divisors, whose sum is σ = 992347932. Its totient is φ = 992347930.

The previous prime is 992347879. The next prime is 992347933. The reversal of 992347931 is 139743299.

It is a happy number.

992347931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (139743299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 992347931 - 2¹⁴ = 992331547 is a prime.

It is a super-2 number, since 2×992347931² = 1969508832319961522, which contains 22 as substring.

Together with 992347933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (992347933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496173965 + 496173966.

It is an arithmetic number, because the mean of its divisors is an integer number (496173966).

Almost surely, 2^992347931 is an apocalyptic number.

992347931 is a deficient number, since it is larger than the sum of its proper divisors (1).

992347931 is an equidigital number, since it uses as much as digits as its factorization.

992347931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 992347931 is about 31501.5544219646. The cubic root of 992347931 is about 997.4427765156.

The spelling of 992347931 in words is "nine hundred ninety-two million, three hundred forty-seven thousand, nine hundred thirty-one".