310942097 has 2 divisors, whose sum is σ = 310942098. Its totient is φ = 310942096.

The previous prime is 310942091. The next prime is 310942127. The reversal of 310942097 is 790249013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309197056 + 1745041 = 17584^2 + 1321^2 .

It is an emirp because it is prime and its reverse (790249013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310942097 - 2⁴ = 310942081 is a prime.

It is a Chen prime.

It is equal to p_16812638 and since 310942097 and 16812638 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (310942091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155471048 + 155471049.

It is an arithmetic number, because the mean of its divisors is an integer number (155471049).

Almost surely, 2^310942097 is an apocalyptic number.

It is an amenable number.

310942097 is a deficient number, since it is larger than the sum of its proper divisors (1).

310942097 is an equidigital number, since it uses as much as digits as its factorization.

310942097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 310942097 is about 17633.5503231766. The cubic root of 310942097 is about 677.4748451783.

The spelling of 310942097 in words is "three hundred ten million, nine hundred forty-two thousand, ninety-seven".