231340121963 has 2 divisors, whose sum is σ = 231340121964. Its totient is φ = 231340121962.

The previous prime is 231340121951. The next prime is 231340121977. The reversal of 231340121963 is 369121043132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231340121963 - 2²⁰ = 231339073387 is a prime.

It is not a weakly prime, because it can be changed into another prime (231340121923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115670060981 + 115670060982.

It is an arithmetic number, because the mean of its divisors is an integer number (115670060982).

Almost surely, 2^231340121963 is an apocalyptic number.

231340121963 is a deficient number, since it is larger than the sum of its proper divisors (1).

231340121963 is an equidigital number, since it uses as much as digits as its factorization.

231340121963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 231340121963 in words is "two hundred thirty-one billion, three hundred forty million, one hundred twenty-one thousand, nine hundred sixty-three".