311740967 has 2 divisors, whose sum is σ = 311740968. Its totient is φ = 311740966.

The previous prime is 311740943. The next prime is 311740973. The reversal of 311740967 is 769047113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311740967 - 2⁶ = 311740903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311740967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311740937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155870483 + 155870484.

It is an arithmetic number, because the mean of its divisors is an integer number (155870484).

Almost surely, 2^311740967 is an apocalyptic number.

311740967 is a deficient number, since it is larger than the sum of its proper divisors (1).

311740967 is an equidigital number, since it uses as much as digits as its factorization.

311740967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 311740967 is about 17656.1877821913. The cubic root of 311740967 is about 678.0545367036.

The spelling of 311740967 in words is "three hundred eleven million, seven hundred forty thousand, nine hundred sixty-seven".