231140150 has 24 divisors (see below), whose sum is σ = 444748320. Its totient is φ = 89267360.

The previous prime is 231140131. The next prime is 231140183. The reversal of 231140150 is 51041132.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 78254 + ... + 81153.

It is an arithmetic number, because the mean of its divisors is an integer number (18531180).

Almost surely, 2^231140150 is an apocalyptic number.

231140150 is a deficient number, since it is larger than the sum of its proper divisors (213608170).

231140150 is a wasteful number, since it uses less digits than its factorization.

231140150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159448 (or 159443 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 231140150 is about 15203.2940509615. The cubic root of 231140150 is about 613.7033070916.

Adding to 231140150 its reverse (51041132), we get a palindrome (282181282).

The spelling of 231140150 in words is "two hundred thirty-one million, one hundred forty thousand, one hundred fifty".