10312119997 has 2 divisors, whose sum is σ = 10312119998. Its totient is φ = 10312119996.

The previous prime is 10312119959. The next prime is 10312120003. The reversal of 10312119997 is 79991121301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10305092196 + 7027801 = 101514^2 + 2651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312119997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312119397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156059998 + 5156059999.

It is an arithmetic number, because the mean of its divisors is an integer number (5156059999).

Almost surely, 2^10312119997 is an apocalyptic number.

It is an amenable number.

10312119997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312119997 is an equidigital number, since it uses as much as digits as its factorization.

10312119997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 43.

The spelling of 10312119997 in words is "ten billion, three hundred twelve million, one hundred nineteen thousand, nine hundred ninety-seven".