312103201999 has 2 divisors, whose sum is σ = 312103202000. Its totient is φ = 312103201998.

The previous prime is 312103201987. The next prime is 312103202029. The reversal of 312103201999 is 999102301213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312103201999 - 2⁵ = 312103201967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312103201919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156051600999 + 156051601000.

It is an arithmetic number, because the mean of its divisors is an integer number (156051601000).

Almost surely, 2^312103201999 is an apocalyptic number.

312103201999 is a deficient number, since it is larger than the sum of its proper divisors (1).

312103201999 is an equidigital number, since it uses as much as digits as its factorization.

312103201999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 312103201999 in words is "three hundred twelve billion, one hundred three million, two hundred one thousand, nine hundred ninety-nine".