31434354079 has 2 divisors, whose sum is σ = 31434354080. Its totient is φ = 31434354078.

The previous prime is 31434354071. The next prime is 31434354157. The reversal of 31434354079 is 97045343413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31434354079 - 2³ = 31434354071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31434354071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717177039 + 15717177040.

It is an arithmetic number, because the mean of its divisors is an integer number (15717177040).

Almost surely, 2^31434354079 is an apocalyptic number.

31434354079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434354079 is an equidigital number, since it uses as much as digits as its factorization.

31434354079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 31434354079 in words is "thirty-one billion, four hundred thirty-four million, three hundred fifty-four thousand, seventy-nine".