244147163231 has 2 divisors, whose sum is σ = 244147163232. Its totient is φ = 244147163230.

The previous prime is 244147163207. The next prime is 244147163257. The reversal of 244147163231 is 132361741442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244147163231 - 2²⁶ = 244080054367 is a prime.

It is a super-2 number, since 2×244147163231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244147163431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122073581615 + 122073581616.

It is an arithmetic number, because the mean of its divisors is an integer number (122073581616).

Almost surely, 2^244147163231 is an apocalyptic number.

244147163231 is a deficient number, since it is larger than the sum of its proper divisors (1).

244147163231 is an equidigital number, since it uses as much as digits as its factorization.

244147163231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The spelling of 244147163231 in words is "two hundred forty-four billion, one hundred forty-seven million, one hundred sixty-three thousand, two hundred thirty-one".