231014143 has 8 divisors (see below), whose sum is σ = 233538048. Its totient is φ = 228501504.

The previous prime is 231014111. The next prime is 231014153. The reversal of 231014143 is 341410132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231014143 - 2⁵ = 231014111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231014143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231014153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42255 + ... + 47407.

It is an arithmetic number, because the mean of its divisors is an integer number (29192256).

Almost surely, 2^231014143 is an apocalyptic number.

231014143 is a deficient number, since it is larger than the sum of its proper divisors (2523905).

231014143 is a wasteful number, since it uses less digits than its factorization.

231014143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231014143 is about 15199.1494169904. The cubic root of 231014143 is about 613.5917658625.

Adding to 231014143 its reverse (341410132), we get a palindrome (572424275).

The spelling of 231014143 in words is "two hundred thirty-one million, fourteen thousand, one hundred forty-three".