231303221019979 has 2 divisors, whose sum is σ = 231303221019980. Its totient is φ = 231303221019978.

The previous prime is 231303221019953. The next prime is 231303221020057. The reversal of 231303221019979 is 979910122303132.

231303221019979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231303221019979 - 2²⁹ = 231302684149067 is a prime.

It is not a weakly prime, because it can be changed into another prime (231303221014979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651610509989 + 115651610509990.

It is an arithmetic number, because the mean of its divisors is an integer number (115651610509990).

Almost surely, 2^{231303221019979} is an apocalyptic number.

231303221019979 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303221019979 is an equidigital number, since it uses as much as digits as its factorization.

231303221019979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 231303221019979 in words is "two hundred thirty-one trillion, three hundred three billion, two hundred twenty-one million, nineteen thousand, nine hundred seventy-nine".