31430123342999 has 2 divisors, whose sum is σ = 31430123343000. Its totient is φ = 31430123342998.

The previous prime is 31430123342983. The next prime is 31430123343161. The reversal of 31430123342999 is 99924332103413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31430123342999 - 2⁴ = 31430123342983 is a prime.

It is a super-2 number, since 2×31430123342999² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31430123342999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31430123347999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715061671499 + 15715061671500.

It is an arithmetic number, because the mean of its divisors is an integer number (15715061671500).

Almost surely, 2^{31430123342999} is an apocalyptic number.

31430123342999 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430123342999 is an equidigital number, since it uses as much as digits as its factorization.

31430123342999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The spelling of 31430123342999 in words is "thirty-one trillion, four hundred thirty billion, one hundred twenty-three million, three hundred forty-two thousand, nine hundred ninety-nine".