231002422144457 has 2 divisors, whose sum is σ = 231002422144458. Its totient is φ = 231002422144456.

The previous prime is 231002422144409. The next prime is 231002422144469. The reversal of 231002422144457 is 754441224200132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230707422171136 + 294999973321 = 15189056^2 + 543139^2 .

It is a cyclic number.

It is not a de Polignac number, because 231002422144457 - 2¹² = 231002422140361 is a prime.

It is not a weakly prime, because it can be changed into another prime (231002422144357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115501211072228 + 115501211072229.

It is an arithmetic number, because the mean of its divisors is an integer number (115501211072229).

Almost surely, 2^{231002422144457} is an apocalyptic number.

It is an amenable number.

231002422144457 is a deficient number, since it is larger than the sum of its proper divisors (1).

231002422144457 is an equidigital number, since it uses as much as digits as its factorization.

231002422144457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 41.

Adding to 231002422144457 its reverse (754441224200132), we get a palindrome (985443646344589).

The spelling of 231002422144457 in words is "two hundred thirty-one trillion, two billion, four hundred twenty-two million, one hundred forty-four thousand, four hundred fifty-seven".