31200104399 has 2 divisors, whose sum is σ = 31200104400. Its totient is φ = 31200104398.

The previous prime is 31200104393. The next prime is 31200104483. The reversal of 31200104399 is 99340100213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31200104399 - 2²⁴ = 31183327183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31200104393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600052199 + 15600052200.

It is an arithmetic number, because the mean of its divisors is an integer number (15600052200).

Almost surely, 2^31200104399 is an apocalyptic number.

31200104399 is a deficient number, since it is larger than the sum of its proper divisors (1).

31200104399 is an equidigital number, since it uses as much as digits as its factorization.

31200104399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 31200104399 in words is "thirty-one billion, two hundred million, one hundred four thousand, three hundred ninety-nine".