231141030 has 32 divisors (see below), whose sum is σ = 578859264. Its totient is φ = 58957536.

The previous prime is 231141019. The next prime is 231141037. The reversal of 231141030 is 30141132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231141037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166804 + ... + 168183.

It is an arithmetic number, because the mean of its divisors is an integer number (18089352).

Almost surely, 2^231141030 is an apocalyptic number.

231141030 is an abundant number, since it is smaller than the sum of its proper divisors (347718234).

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

231141030 is a wasteful number, since it uses less digits than its factorization.

231141030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335020.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 231141030 is about 15203.3229920304. The cubic root of 231141030 is about 613.7040859239.

Adding to 231141030 its reverse (30141132), we get a palindrome (261282162).

The spelling of 231141030 in words is "two hundred thirty-one million, one hundred forty-one thousand, thirty".