331120193 has 2 divisors, whose sum is σ = 331120194. Its totient is φ = 331120192.

The previous prime is 331120187. The next prime is 331120211. The reversal of 331120193 is 391021133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170641969 + 160478224 = 13063^2 + 12668^2 .

It is a cyclic number.

It is not a de Polignac number, because 331120193 - 2¹⁰ = 331119169 is a prime.

It is not a weakly prime, because it can be changed into another prime (331120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560096 + 165560097.

It is an arithmetic number, because the mean of its divisors is an integer number (165560097).

Almost surely, 2^331120193 is an apocalyptic number.

It is an amenable number.

331120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

331120193 is an equidigital number, since it uses as much as digits as its factorization.

331120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 331120193 is about 18196.7083012285. The cubic root of 331120193 is about 691.8233598897.

The spelling of 331120193 in words is "three hundred thirty-one million, one hundred twenty thousand, one hundred ninety-three".