312270097 has 2 divisors, whose sum is σ = 312270098. Its totient is φ = 312270096.

The previous prime is 312270031. The next prime is 312270113. The reversal of 312270097 is 790072213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268828816 + 43441281 = 16396^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 312270097 - 2¹⁵ = 312237329 is a prime.

It is a super-2 number, since 2×312270097² = 195025226960778818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312270997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156135048 + 156135049.

It is an arithmetic number, because the mean of its divisors is an integer number (156135049).

Almost surely, 2^312270097 is an apocalyptic number.

It is an amenable number.

312270097 is a deficient number, since it is larger than the sum of its proper divisors (1).

312270097 is an equidigital number, since it uses as much as digits as its factorization.

312270097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 312270097 is about 17671.1656944300. The cubic root of 312270097 is about 678.4379492548.

The spelling of 312270097 in words is "three hundred twelve million, two hundred seventy thousand, ninety-seven".