311302000091 has 2 divisors, whose sum is σ = 311302000092. Its totient is φ = 311302000090.

The previous prime is 311302000073. The next prime is 311302000159. The reversal of 311302000091 is 190000203113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311302000091 - 2⁶ = 311302000027 is a prime.

It is not a weakly prime, because it can be changed into another prime (311302000391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155651000045 + 155651000046.

It is an arithmetic number, because the mean of its divisors is an integer number (155651000046).

Almost surely, 2^311302000091 is an apocalyptic number.

311302000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

311302000091 is an equidigital number, since it uses as much as digits as its factorization.

311302000091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 311302000091 in words is "three hundred eleven billion, three hundred two million, ninety-one", and thus it is an aban number.