331113009979 has 2 divisors, whose sum is σ = 331113009980. Its totient is φ = 331113009978.

The previous prime is 331113009907. The next prime is 331113010031. The reversal of 331113009979 is 979900311133.

It is a strong prime.

It is an emirp because it is prime and its reverse (979900311133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331113009979 - 2²¹ = 331110912827 is a prime.

It is not a weakly prime, because it can be changed into another prime (331113009679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165556504989 + 165556504990.

It is an arithmetic number, because the mean of its divisors is an integer number (165556504990).

Almost surely, 2^331113009979 is an apocalyptic number.

331113009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

331113009979 is an equidigital number, since it uses as much as digits as its factorization.

331113009979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137781, while the sum is 46.

The spelling of 331113009979 in words is "three hundred thirty-one billion, one hundred thirteen million, nine thousand, nine hundred seventy-nine".