31434456379 has 2 divisors, whose sum is σ = 31434456380. Its totient is φ = 31434456378.

The previous prime is 31434456353. The next prime is 31434456437. The reversal of 31434456379 is 97365443413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31434456379 - 2⁹ = 31434455867 is a prime.

It is not a weakly prime, because it can be changed into another prime (31434456479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717228189 + 15717228190.

It is an arithmetic number, because the mean of its divisors is an integer number (15717228190).

Almost surely, 2^31434456379 is an apocalyptic number.

31434456379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434456379 is an equidigital number, since it uses as much as digits as its factorization.

31434456379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 49.

The spelling of 31434456379 in words is "thirty-one billion, four hundred thirty-four million, four hundred fifty-six thousand, three hundred seventy-nine".