231150143 has 16 divisors (see below), whose sum is σ = 278757120. Its totient is φ = 187240896.

The previous prime is 231150113. The next prime is 231150163. The reversal of 231150143 is 341051132.

It is not a de Polignac number, because 231150143 - 2¹⁴ = 231133759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231150113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58880 + ... + 62682.

It is an arithmetic number, because the mean of its divisors is an integer number (17422320).

Almost surely, 2^231150143 is an apocalyptic number.

231150143 is a deficient number, since it is larger than the sum of its proper divisors (47606977).

231150143 is a wasteful number, since it uses less digits than its factorization.

231150143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 231150143 is about 15203.6226932925. The cubic root of 231150143 is about 613.7121511469.

The spelling of 231150143 in words is "two hundred thirty-one million, one hundred fifty thousand, one hundred forty-three".