231046458787 has 2 divisors, whose sum is σ = 231046458788. Its totient is φ = 231046458786.

The previous prime is 231046458779. The next prime is 231046458817. The reversal of 231046458787 is 787854640132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231046458787 - 2³ = 231046458779 is a prime.

It is a super-2 number, since 2×231046458787² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231046458757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115523229393 + 115523229394.

It is an arithmetic number, because the mean of its divisors is an integer number (115523229394).

Almost surely, 2^231046458787 is an apocalyptic number.

231046458787 is a deficient number, since it is larger than the sum of its proper divisors (1).

231046458787 is an equidigital number, since it uses as much as digits as its factorization.

231046458787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 231046458787 in words is "two hundred thirty-one billion, forty-six million, four hundred fifty-eight thousand, seven hundred eighty-seven".