231504303146117 has 2 divisors, whose sum is σ = 231504303146118. Its totient is φ = 231504303146116.

The previous prime is 231504303146113. The next prime is 231504303146201. The reversal of 231504303146117 is 711641303405132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226568303378596 + 4935999767521 = 15052186^2 + 2221711^2 .

It is a cyclic number.

It is not a de Polignac number, because 231504303146117 - 2² = 231504303146113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231504303146113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115752151573058 + 115752151573059.

It is an arithmetic number, because the mean of its divisors is an integer number (115752151573059).

Almost surely, 2^{231504303146117} is an apocalyptic number.

It is an amenable number.

231504303146117 is a deficient number, since it is larger than the sum of its proper divisors (1).

231504303146117 is an equidigital number, since it uses as much as digits as its factorization.

231504303146117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 231504303146117 in words is "two hundred thirty-one trillion, five hundred four billion, three hundred three million, one hundred forty-six thousand, one hundred seventeen".