231442112093 has 2 divisors, whose sum is σ = 231442112094. Its totient is φ = 231442112092.

The previous prime is 231442112039. The next prime is 231442112107. The reversal of 231442112093 is 390211244132.

Together with previous prime (231442112039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212095249444 + 19346862649 = 460538^2 + 139093^2 .

It is a cyclic number.

It is not a de Polignac number, because 231442112093 - 2¹² = 231442107997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231442112393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115721056046 + 115721056047.

It is an arithmetic number, because the mean of its divisors is an integer number (115721056047).

Almost surely, 2^231442112093 is an apocalyptic number.

It is an amenable number.

231442112093 is a deficient number, since it is larger than the sum of its proper divisors (1).

231442112093 is an equidigital number, since it uses as much as digits as its factorization.

231442112093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 231442112093 in words is "two hundred thirty-one billion, four hundred forty-two million, one hundred twelve thousand, ninety-three".