30996990379 has 2 divisors, whose sum is σ = 30996990380. Its totient is φ = 30996990378.

The previous prime is 30996990371. The next prime is 30996990383. The reversal of 30996990379 is 97309969903.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30996990379 - 2³ = 30996990371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30996990379.

It is not a weakly prime, because it can be changed into another prime (30996990371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15498495189 + 15498495190.

It is an arithmetic number, because the mean of its divisors is an integer number (15498495190).

Almost surely, 2^30996990379 is an apocalyptic number.

30996990379 is a deficient number, since it is larger than the sum of its proper divisors (1).

30996990379 is an equidigital number, since it uses as much as digits as its factorization.

30996990379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22320522, while the sum is 64.

The spelling of 30996990379 in words is "thirty billion, nine hundred ninety-six million, nine hundred ninety thousand, three hundred seventy-nine".