231355306555267 has 2 divisors, whose sum is σ = 231355306555268. Its totient is φ = 231355306555266.

The previous prime is 231355306555187. The next prime is 231355306555273. The reversal of 231355306555267 is 762555603553132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231355306555267 is a prime.

It is not a weakly prime, because it can be changed into another prime (231355306555297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115677653277633 + 115677653277634.

It is an arithmetic number, because the mean of its divisors is an integer number (115677653277634).

Almost surely, 2^{231355306555267} is an apocalyptic number.

231355306555267 is a deficient number, since it is larger than the sum of its proper divisors (1).

231355306555267 is an equidigital number, since it uses as much as digits as its factorization.

231355306555267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050000, while the sum is 58.

The spelling of 231355306555267 in words is "two hundred thirty-one trillion, three hundred fifty-five billion, three hundred six million, five hundred fifty-five thousand, two hundred sixty-seven".