10312309999 has 2 divisors, whose sum is σ = 10312310000. Its totient is φ = 10312309998.

The previous prime is 10312309993. The next prime is 10312310069. The reversal of 10312309999 is 99990321301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10312309999 - 2⁵ = 10312309967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312309993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156154999 + 5156155000.

It is an arithmetic number, because the mean of its divisors is an integer number (5156155000).

Almost surely, 2^10312309999 is an apocalyptic number.

10312309999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312309999 is an equidigital number, since it uses as much as digits as its factorization.

10312309999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 46.

The spelling of 10312309999 in words is "ten billion, three hundred twelve million, three hundred nine thousand, nine hundred ninety-nine".