310120997 has 2 divisors, whose sum is σ = 310120998. Its totient is φ = 310120996.

The previous prime is 310120973. The next prime is 310121017. The reversal of 310120997 is 799021013.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268763236 + 41357761 = 16394^2 + 6431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310120997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310120927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155060498 + 155060499.

It is an arithmetic number, because the mean of its divisors is an integer number (155060499).

Almost surely, 2^310120997 is an apocalyptic number.

It is an amenable number.

310120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

310120997 is an equidigital number, since it uses as much as digits as its factorization.

310120997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 310120997 is about 17610.2526103404. The cubic root of 310120997 is about 676.8779870399.

The spelling of 310120997 in words is "three hundred ten million, one hundred twenty thousand, nine hundred ninety-seven".