231152831087 has 2 divisors, whose sum is σ = 231152831088. Its totient is φ = 231152831086.

The previous prime is 231152831057. The next prime is 231152831099. The reversal of 231152831087 is 780138251132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231152831087 - 2¹² = 231152826991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231152831057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115576415543 + 115576415544.

It is an arithmetic number, because the mean of its divisors is an integer number (115576415544).

Almost surely, 2^231152831087 is an apocalyptic number.

231152831087 is a deficient number, since it is larger than the sum of its proper divisors (1).

231152831087 is an equidigital number, since it uses as much as digits as its factorization.

231152831087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 231152831087 in words is "two hundred thirty-one billion, one hundred fifty-two million, eight hundred thirty-one thousand, eighty-seven".