231240422071 has 2 divisors, whose sum is σ = 231240422072. Its totient is φ = 231240422070.

The previous prime is 231240421999. The next prime is 231240422087. The reversal of 231240422071 is 170224042132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231240422071 - 2⁷ = 231240421943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231240422771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620211035 + 115620211036.

It is an arithmetic number, because the mean of its divisors is an integer number (115620211036).

Almost surely, 2^231240422071 is an apocalyptic number.

231240422071 is a deficient number, since it is larger than the sum of its proper divisors (1).

231240422071 is an equidigital number, since it uses as much as digits as its factorization.

231240422071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 231240422071 in words is "two hundred thirty-one billion, two hundred forty million, four hundred twenty-two thousand, seventy-one".