992131333 has 2 divisors, whose sum is σ = 992131334. Its totient is φ = 992131332.

The previous prime is 992131331. The next prime is 992131337. The reversal of 992131333 is 333131299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966090724 + 26040609 = 31082^2 + 5103^2 .

It is a cyclic number.

It is not a de Polignac number, because 992131333 - 2¹ = 992131331 is a prime.

Together with 992131331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992131331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496065666 + 496065667.

It is an arithmetic number, because the mean of its divisors is an integer number (496065667).

Almost surely, 2^992131333 is an apocalyptic number.

It is an amenable number.

992131333 is a deficient number, since it is larger than the sum of its proper divisors (1).

992131333 is an equidigital number, since it uses as much as digits as its factorization.

992131333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 34.

The square root of 992131333 is about 31498.1163405052. The cubic root of 992131333 is about 997.3702012208.

Subtracting from 992131333 its sum of digits (34), we obtain a palindrome (992131299).

The spelling of 992131333 in words is "nine hundred ninety-two million, one hundred thirty-one thousand, three hundred thirty-three".