31431113200099 has 2 divisors, whose sum is σ = 31431113200100. Its totient is φ = 31431113200098.

The previous prime is 31431113200087. The next prime is 31431113200117. The reversal of 31431113200099 is 99000231113413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31431113200099 - 2¹⁹ = 31431112675811 is a prime.

It is not a weakly prime, because it can be changed into another prime (31431113200049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715556600049 + 15715556600050.

It is an arithmetic number, because the mean of its divisors is an integer number (15715556600050).

Almost surely, 2^{31431113200099} is an apocalyptic number.

31431113200099 is a deficient number, since it is larger than the sum of its proper divisors (1).

31431113200099 is an equidigital number, since it uses as much as digits as its factorization.

31431113200099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 31431113200099 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred thirteen million, two hundred thousand, ninety-nine".