231444442283 has 2 divisors, whose sum is σ = 231444442284. Its totient is φ = 231444442282.

The previous prime is 231444442279. The next prime is 231444442309. The reversal of 231444442283 is 382244444132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231444442283 - 2² = 231444442279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231444442283.

It is not a weakly prime, because it can be changed into another prime (231444442223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115722221141 + 115722221142.

It is an arithmetic number, because the mean of its divisors is an integer number (115722221142).

Almost surely, 2^231444442283 is an apocalyptic number.

231444442283 is a deficient number, since it is larger than the sum of its proper divisors (1).

231444442283 is an equidigital number, since it uses as much as digits as its factorization.

231444442283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 41.

The spelling of 231444442283 in words is "two hundred thirty-one billion, four hundred forty-four million, four hundred forty-two thousand, two hundred eighty-three".