331120297 has 2 divisors, whose sum is σ = 331120298. Its totient is φ = 331120296.

The previous prime is 331120291. The next prime is 331120313. The reversal of 331120297 is 792021133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330548761 + 571536 = 18181^2 + 756^2 .

It is a cyclic number.

It is not a de Polignac number, because 331120297 - 2²⁷ = 196902569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (331120291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560148 + 165560149.

It is an arithmetic number, because the mean of its divisors is an integer number (165560149).

Almost surely, 2^331120297 is an apocalyptic number.

It is an amenable number.

331120297 is a deficient number, since it is larger than the sum of its proper divisors (1).

331120297 is an equidigital number, since it uses as much as digits as its factorization.

331120297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 331120297 is about 18196.7111588880. The cubic root of 331120297 is about 691.8234323203.

The spelling of 331120297 in words is "three hundred thirty-one million, one hundred twenty thousand, two hundred ninety-seven".