31431404102999 has 2 divisors, whose sum is σ = 31431404103000. Its totient is φ = 31431404102998.

The previous prime is 31431404102983. The next prime is 31431404103013. The reversal of 31431404102999 is 99920140413413.

It is a strong prime.

It is an emirp because it is prime and its reverse (99920140413413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31431404102999 - 2⁴ = 31431404102983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31431404102929) 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, 15715702051499 + 15715702051500.

It is an arithmetic number, because the mean of its divisors is an integer number (15715702051500).

Almost surely, 2^{31431404102999} is an apocalyptic number.

31431404102999 is a deficient number, since it is larger than the sum of its proper divisors (1).

31431404102999 is an equidigital number, since it uses as much as digits as its factorization.

31431404102999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 31431404102999 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred four million, one hundred two thousand, nine hundred ninety-nine".