231350430143 has 8 divisors (see below), whose sum is σ = 266967487488. Its totient is φ = 196375121784.

The previous prime is 231350430109. The next prime is 231350430163. The reversal of 231350430143 is 341034053132.

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 231350430143 - 2¹⁴ = 231350413759 is a prime.

It is a super-2 number, since 2×231350430143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231350430163) 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, 160436471 + ... + 160437912.

It is an arithmetic number, because the mean of its divisors is an integer number (33370935936).

Almost surely, 2^231350430143 is an apocalyptic number.

231350430143 is a deficient number, since it is larger than the sum of its proper divisors (35617057345).

231350430143 is a wasteful number, since it uses less digits than its factorization.

231350430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320874493.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 231350430143 its reverse (341034053132), we get a palindrome (572384483275).

The spelling of 231350430143 in words is "two hundred thirty-one billion, three hundred fifty million, four hundred thirty thousand, one hundred forty-three".