231012108 has 96 divisors (see below), whose sum is σ = 637145600. Its totient is φ = 72176832.

The previous prime is 231012101. The next prime is 231012109. The reversal of 231012108 is 801210132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210810 + ... + 211902.

Almost surely, 2^231012108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231012108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318572800).

231012108 is an abundant number, since it is smaller than the sum of its proper divisors (406133492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231012108 is a wasteful number, since it uses less digits than its factorization.

231012108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 231012108 is about 15199.0824723073. The cubic root of 231012108 is about 613.5899641504.

The spelling of 231012108 in words is "two hundred thirty-one million, twelve thousand, one hundred eight".