231333032143 has 2 divisors, whose sum is σ = 231333032144. Its totient is φ = 231333032142.

The previous prime is 231333032101. The next prime is 231333032149. The reversal of 231333032143 is 341230333132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231333032143 - 2³⁷ = 93894078671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231333032149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115666516071 + 115666516072.

It is an arithmetic number, because the mean of its divisors is an integer number (115666516072).

Almost surely, 2^231333032143 is an apocalyptic number.

231333032143 is a deficient number, since it is larger than the sum of its proper divisors (1).

231333032143 is an equidigital number, since it uses as much as digits as its factorization.

231333032143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231333032143 its reverse (341230333132), we get a palindrome (572563365275).

The spelling of 231333032143 in words is "two hundred thirty-one billion, three hundred thirty-three million, thirty-two thousand, one hundred forty-three".