231022150 has 12 divisors (see below), whose sum is σ = 429701292. Its totient is φ = 92408840.

The previous prime is 231022123. The next prime is 231022171. The reversal of 231022150 is 51220132.

231022150 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2310172 + ... + 2310271.

It is an arithmetic number, because the mean of its divisors is an integer number (35808441).

Almost surely, 2^231022150 is an apocalyptic number.

231022150 is a deficient number, since it is larger than the sum of its proper divisors (198679142).

231022150 is a wasteful number, since it uses less digits than its factorization.

231022150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620455 (or 4620450 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 231022150 is about 15199.4128176058. The cubic root of 231022150 is about 613.5988548549.

Adding to 231022150 its reverse (51220132), we get a palindrome (282242282).

It can be divided in two parts, 23102 and 2150, that added together give a palindrome (25252).

The spelling of 231022150 in words is "two hundred thirty-one million, twenty-two thousand, one hundred fifty".