231025030 has 16 divisors (see below), whose sum is σ = 416576160. Its totient is φ = 92247552.

The previous prime is 231025021. The next prime is 231025031. The reversal of 231025030 is 30520132.

It is a junction number, because it is equal to n+sod(n) for n = 231024995 and 231025013.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14250 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (26036010).

Almost surely, 2^231025030 is an apocalyptic number.

231025030 is a deficient number, since it is larger than the sum of its proper divisors (185551130).

231025030 is a wasteful number, since it uses less digits than its factorization.

231025030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40623.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 231025030 is about 15199.5075578125. The cubic root of 231025030 is about 613.6014046210.

Adding to 231025030 its reverse (30520132), we get a palindrome (261545162).

The spelling of 231025030 in words is "two hundred thirty-one million, twenty-five thousand, thirty".