231244150 has 12 divisors (see below), whose sum is σ = 430114212. Its totient is φ = 92497640.

The previous prime is 231244133. The next prime is 231244157. The reversal of 231244150 is 51442132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231244157) 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 5 ways as a sum of consecutive naturals, for example, 2312392 + ... + 2312491.

It is an arithmetic number, because the mean of its divisors is an integer number (35842851).

Almost surely, 2^231244150 is an apocalyptic number.

231244150 is a deficient number, since it is larger than the sum of its proper divisors (198870062).

231244150 is a wasteful number, since it uses less digits than its factorization.

231244150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624895 (or 4624890 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 231244150 is about 15206.7139777139. The cubic root of 231244150 is about 613.7953372211.

Adding to 231244150 its reverse (51442132), we get a palindrome (282686282).

The spelling of 231244150 in words is "two hundred thirty-one million, two hundred forty-four thousand, one hundred fifty".