231015150 has 36 divisors (see below), whose sum is σ = 620661912. Its totient is φ = 61603920.

The previous prime is 231015121. The next prime is 231015157. The reversal of 231015150 is 51510132.

231015150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231015157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 256234 + ... + 257133.

Almost surely, 2^231015150 is an apocalyptic number.

231015150 is an abundant number, since it is smaller than the sum of its proper divisors (389646762).

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

231015150 is a wasteful number, since it uses less digits than its factorization.

231015150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513385 (or 513377 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 231015150 is about 15199.1825438081. The cubic root of 231015150 is about 613.5926574183.

Adding to 231015150 its reverse (51510132), we get a palindrome (282525282).

The spelling of 231015150 in words is "two hundred thirty-one million, fifteen thousand, one hundred fifty".