231442786129241 has 2 divisors, whose sum is σ = 231442786129242. Its totient is φ = 231442786129240.

The previous prime is 231442786129207. The next prime is 231442786129249. The reversal of 231442786129241 is 142921687244132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197255423905225 + 34187362224016 = 14044765^2 + 5846996^2 .

It is a cyclic number.

It is not a de Polignac number, because 231442786129241 - 2⁴⁶ = 161074041951577 is a prime.

It is not a weakly prime, because it can be changed into another prime (231442786129249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115721393064620 + 115721393064621.

It is an arithmetic number, because the mean of its divisors is an integer number (115721393064621).

Almost surely, 2^{231442786129241} is an apocalyptic number.

It is an amenable number.

231442786129241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231442786129241 is an equidigital number, since it uses as much as digits as its factorization.

231442786129241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 56.

The spelling of 231442786129241 in words is "two hundred thirty-one trillion, four hundred forty-two billion, seven hundred eighty-six million, one hundred twenty-nine thousand, two hundred forty-one".