312322100999 has 2 divisors, whose sum is σ = 312322101000. Its totient is φ = 312322100998.

The previous prime is 312322100977. The next prime is 312322101019. The reversal of 312322100999 is 999001223213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312322100999 - 2²⁰ = 312321052423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312322100969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156161050499 + 156161050500.

It is an arithmetic number, because the mean of its divisors is an integer number (156161050500).

Almost surely, 2^312322100999 is an apocalyptic number.

312322100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

312322100999 is an equidigital number, since it uses as much as digits as its factorization.

312322100999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 312322100999 in words is "three hundred twelve billion, three hundred twenty-two million, one hundred thousand, nine hundred ninety-nine".