231000063 has 48 divisors (see below), whose sum is σ = 395953920. Its totient is φ = 118804224.

The previous prime is 231000059. The next prime is 231000067. The reversal of 231000063 is 360000132.

It is an interprime number because it is at equal distance from previous prime (231000059) and next prime (231000067).

It is not a de Polignac number, because 231000063 - 2² = 231000059 is a prime.

It is a super-2 number, since 2×231000063² = 106722058212007938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231000067) 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 47 ways as a sum of consecutive naturals, for example, 55468 + ... + 59486.

It is an arithmetic number, because the mean of its divisors is an integer number (8249040).

Almost surely, 2^231000063 is an apocalyptic number.

231000063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231000063 is a deficient number, since it is larger than the sum of its proper divisors (164953857).

231000063 is a wasteful number, since it uses less digits than its factorization.

231000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231000063 is about 15198.6862261184. The cubic root of 231000063 is about 613.5792997461.

Adding to 231000063 its reverse (360000132), we get a palindrome (591000195).

The spelling of 231000063 in words is "two hundred thirty-one million, sixty-three", and thus it is an aban number.