231315144967 has 2 divisors, whose sum is σ = 231315144968. Its totient is φ = 231315144966.

The previous prime is 231315144917. The next prime is 231315145003. The reversal of 231315144967 is 769441513132.

231315144967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231315144967 - 2¹⁵ = 231315112199 is a prime.

It is a super-2 number, since 2×231315144967² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231315144917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115657572483 + 115657572484.

It is an arithmetic number, because the mean of its divisors is an integer number (115657572484).

Almost surely, 2^231315144967 is an apocalyptic number.

231315144967 is a deficient number, since it is larger than the sum of its proper divisors (1).

231315144967 is an equidigital number, since it uses as much as digits as its factorization.

231315144967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The spelling of 231315144967 in words is "two hundred thirty-one billion, three hundred fifteen million, one hundred forty-four thousand, nine hundred sixty-seven".