220310113979 has 2 divisors, whose sum is σ = 220310113980. Its totient is φ = 220310113978.

The previous prime is 220310113883. The next prime is 220310113987. The reversal of 220310113979 is 979311013022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220310113979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (220310163979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155056989 + 110155056990.

It is an arithmetic number, because the mean of its divisors is an integer number (110155056990).

Almost surely, 2^220310113979 is an apocalyptic number.

220310113979 is a deficient number, since it is larger than the sum of its proper divisors (1).

220310113979 is an equidigital number, since it uses as much as digits as its factorization.

220310113979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 220310113979 in words is "two hundred twenty billion, three hundred ten million, one hundred thirteen thousand, nine hundred seventy-nine".