310140997 has 2 divisors, whose sum is σ = 310140998. Its totient is φ = 310140996.

The previous prime is 310140991. The next prime is 310141061. The reversal of 310140997 is 799041013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272613121 + 37527876 = 16511^2 + 6126^2 .

It is a cyclic number.

It is not a de Polignac number, because 310140997 - 2¹¹ = 310138949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310140991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155070498 + 155070499.

It is an arithmetic number, because the mean of its divisors is an integer number (155070499).

Almost surely, 2^310140997 is an apocalyptic number.

It is an amenable number.

310140997 is a deficient number, since it is larger than the sum of its proper divisors (1).

310140997 is an equidigital number, since it uses as much as digits as its factorization.

310140997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 310140997 is about 17610.8204522106. The cubic root of 310140997 is about 676.8925375636.

The spelling of 310140997 in words is "three hundred ten million, one hundred forty thousand, nine hundred ninety-seven".