231432150 has 24 divisors (see below), whose sum is σ = 573952104. Its totient is φ = 61715200.

The previous prime is 231432139. The next prime is 231432163. The reversal of 231432150 is 51234132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771291 + ... + 771590.

It is an arithmetic number, because the mean of its divisors is an integer number (23914671).

Almost surely, 2^231432150 is an apocalyptic number.

231432150 is an abundant number, since it is smaller than the sum of its proper divisors (342519954).

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

231432150 is a wasteful number, since it uses less digits than its factorization.

231432150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542896 (or 1542891 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 231432150 is about 15212.8942019591. The cubic root of 231432150 is about 613.9616293790.

Adding to 231432150 its reverse (51234132), we get a palindrome (282666282).

The spelling of 231432150 in words is "two hundred thirty-one million, four hundred thirty-two thousand, one hundred fifty".