231320300287 has 2 divisors, whose sum is σ = 231320300288. Its totient is φ = 231320300286.

The previous prime is 231320300273. The next prime is 231320300327. The reversal of 231320300287 is 782003023132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231320300287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231320900287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115660150143 + 115660150144.

It is an arithmetic number, because the mean of its divisors is an integer number (115660150144).

Almost surely, 2^231320300287 is an apocalyptic number.

231320300287 is a deficient number, since it is larger than the sum of its proper divisors (1).

231320300287 is an equidigital number, since it uses as much as digits as its factorization.

231320300287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 231320300287 in words is "two hundred thirty-one billion, three hundred twenty million, three hundred thousand, two hundred eighty-seven".