31320000123799 has 2 divisors, whose sum is σ = 31320000123800. Its totient is φ = 31320000123798.

The previous prime is 31320000123787. The next prime is 31320000123877. The reversal of 31320000123799 is 99732100002313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31320000123799 - 2⁹ = 31320000123287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320000126799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660000061899 + 15660000061900.

It is an arithmetic number, because the mean of its divisors is an integer number (15660000061900).

Almost surely, 2^{31320000123799} is an apocalyptic number.

31320000123799 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320000123799 is an equidigital number, since it uses as much as digits as its factorization.

31320000123799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 31320000123799 in words is "thirty-one trillion, three hundred twenty billion, one hundred twenty-three thousand, seven hundred ninety-nine".