104312329991 has 2 divisors, whose sum is σ = 104312329992. Its totient is φ = 104312329990.

The previous prime is 104312329981. The next prime is 104312330029. The reversal of 104312329991 is 199923213401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104312329991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104312329921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52156164995 + 52156164996.

It is an arithmetic number, because the mean of its divisors is an integer number (52156164996).

Almost surely, 2^104312329991 is an apocalyptic number.

104312329991 is a deficient number, since it is larger than the sum of its proper divisors (1).

104312329991 is an equidigital number, since it uses as much as digits as its factorization.

104312329991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 104312329991 in words is "one hundred four billion, three hundred twelve million, three hundred twenty-nine thousand, nine hundred ninety-one".