231087763 has 2 divisors, whose sum is σ = 231087764. Its totient is φ = 231087762.

The previous prime is 231087751. The next prime is 231087781. The reversal of 231087763 is 367780132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231087763 - 2⁹ = 231087251 is a prime.

It is not a weakly prime, because it can be changed into another prime (231087713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115543881 + 115543882.

It is an arithmetic number, because the mean of its divisors is an integer number (115543882).

Almost surely, 2^231087763 is an apocalyptic number.

231087763 is a deficient number, since it is larger than the sum of its proper divisors (1).

231087763 is an equidigital number, since it uses as much as digits as its factorization.

231087763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 231087763 is about 15201.5710701230. The cubic root of 231087763 is about 613.6569391134.

The spelling of 231087763 in words is "two hundred thirty-one million, eighty-seven thousand, seven hundred sixty-three".