231240141042143 has 2 divisors, whose sum is σ = 231240141042144. Its totient is φ = 231240141042142.

The previous prime is 231240141042077. The next prime is 231240141042151. The reversal of 231240141042143 is 341240141042132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231240141042143 - 2⁸ = 231240141041887 is a prime.

It is a super-2 number, since 2×231240141042143² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231240141042943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620070521071 + 115620070521072.

It is an arithmetic number, because the mean of its divisors is an integer number (115620070521072).

Almost surely, 2^{231240141042143} is an apocalyptic number.

231240141042143 is a deficient number, since it is larger than the sum of its proper divisors (1).

231240141042143 is an equidigital number, since it uses as much as digits as its factorization.

231240141042143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 231240141042143 its reverse (341240141042132), we get a palindrome (572480282084275).

The spelling of 231240141042143 in words is "two hundred thirty-one trillion, two hundred forty billion, one hundred forty-one million, forty-two thousand, one hundred forty-three".