231710563 has 8 divisors (see below), whose sum is σ = 270216800. Its totient is φ = 198608760.

The previous prime is 231710537. The next prime is 231710569. The reversal of 231710563 is 365017132.

It is not a de Polignac number, because 231710563 - 2¹³ = 231702371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231710569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337428 + ... + 338113.

It is an arithmetic number, because the mean of its divisors is an integer number (33777100).

Almost surely, 2^231710563 is an apocalyptic number.

231710563 is a deficient number, since it is larger than the sum of its proper divisors (38506237).

231710563 is an frugal number, since it uses more digits than its factorization.

231710563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675562 (or 675548 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 231710563 is about 15222.0420115042. The cubic root of 231710563 is about 614.2077294418.

Adding to 231710563 its reverse (365017132), we get a palindrome (596727695).

It can be divided in two parts, 2317 and 10563, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 231710563 in words is "two hundred thirty-one million, seven hundred ten thousand, five hundred sixty-three".