231131224967 has 2 divisors, whose sum is σ = 231131224968. Its totient is φ = 231131224966.

The previous prime is 231131224963. The next prime is 231131224969. The reversal of 231131224967 is 769422131132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231131224967 - 2² = 231131224963 is a prime.

Together with 231131224969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231131224963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115565612483 + 115565612484.

It is an arithmetic number, because the mean of its divisors is an integer number (115565612484).

Almost surely, 2^231131224967 is an apocalyptic number.

231131224967 is a deficient number, since it is larger than the sum of its proper divisors (1).

231131224967 is an equidigital number, since it uses as much as digits as its factorization.

231131224967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The spelling of 231131224967 in words is "two hundred thirty-one billion, one hundred thirty-one million, two hundred twenty-four thousand, nine hundred sixty-seven".