31664160379 has 2 divisors, whose sum is σ = 31664160380. Its totient is φ = 31664160378.

The previous prime is 31664160349. The next prime is 31664160413. The reversal of 31664160379 is 97306146613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31664160379 - 2²⁵ = 31630605947 is a prime.

It is not a weakly prime, because it can be changed into another prime (31664160349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15832080189 + 15832080190.

It is an arithmetic number, because the mean of its divisors is an integer number (15832080190).

Almost surely, 2^31664160379 is an apocalyptic number.

31664160379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31664160379 is an equidigital number, since it uses as much as digits as its factorization.

31664160379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 31664160379 in words is "thirty-one billion, six hundred sixty-four million, one hundred sixty thousand, three hundred seventy-nine".