231533533143167 has 2 divisors, whose sum is σ = 231533533143168. Its totient is φ = 231533533143166.

The previous prime is 231533533143113. The next prime is 231533533143197. The reversal of 231533533143167 is 761341335335132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231533533143167 - 2²² = 231533528948863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231533533143197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115766766571583 + 115766766571584.

It is an arithmetic number, because the mean of its divisors is an integer number (115766766571584).

Almost surely, 2^{231533533143167} is an apocalyptic number.

231533533143167 is a deficient number, since it is larger than the sum of its proper divisors (1).

231533533143167 is an equidigital number, since it uses as much as digits as its factorization.

231533533143167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 50.

Adding to 231533533143167 its reverse (761341335335132), we get a palindrome (992874868478299).

The spelling of 231533533143167 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred thirty-three million, one hundred forty-three thousand, one hundred sixty-seven".