231025032 has 96 divisors (see below), whose sum is σ = 717600000. Its totient is φ = 65774592.

The previous prime is 231025031. The next prime is 231025033. The reversal of 231025032 is 230520132.

It is an interprime number because it is at equal distance from previous prime (231025031) and next prime (231025033).

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

It is a junction number, because it is equal to n+sod(n) for n = 231024996 and 231025014.

It is not an unprimeable number, because it can be changed into a prime (231025031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184344 + ... + 185592.

It is an arithmetic number, because the mean of its divisors is an integer number (7475000).

Almost surely, 2^231025032 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 231025032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358800000).

231025032 is an abundant number, since it is smaller than the sum of its proper divisors (486574968).

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

231025032 is a wasteful number, since it uses less digits than its factorization.

231025032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 231025032 is about 15199.5076236041. The cubic root of 231025032 is about 613.6014063917.

Adding to 231025032 its reverse (230520132), we get a palindrome (461545164).

The spelling of 231025032 in words is "two hundred thirty-one million, twenty-five thousand, thirty-two".