231024906 has 64 divisors (see below), whose sum is σ = 598752000. Its totient is φ = 66001824.

The previous prime is 231024901. The next prime is 231024907. The reversal of 231024906 is 609420132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 231024906.

It is not an unprimeable number, because it can be changed into a prime (231024901) 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, 12286 + ... + 24758.

It is an arithmetic number, because the mean of its divisors is an integer number (9355500).

Almost surely, 2^231024906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231024906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299376000).

231024906 is an abundant number, since it is smaller than the sum of its proper divisors (367727094).

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

231024906 is a wasteful number, since it uses less digits than its factorization.

231024906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505 (or 12485 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 231024906 is about 15199.5034787325. The cubic root of 231024906 is about 613.6012948399.

The spelling of 231024906 in words is "two hundred thirty-one million, twenty-four thousand, nine hundred six".