31430411399 has 2 divisors, whose sum is σ = 31430411400. Its totient is φ = 31430411398.

The previous prime is 31430411351. The next prime is 31430411407. The reversal of 31430411399 is 99311403413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31430411399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31430411899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715205699 + 15715205700.

It is an arithmetic number, because the mean of its divisors is an integer number (15715205700).

Almost surely, 2^31430411399 is an apocalyptic number.

31430411399 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430411399 is an equidigital number, since it uses as much as digits as its factorization.

31430411399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 31430411399 in words is "thirty-one billion, four hundred thirty million, four hundred eleven thousand, three hundred ninety-nine".