231301043 has 4 divisors (see below), whose sum is σ = 232499688. Its totient is φ = 230102400.

The previous prime is 231301027. The next prime is 231301123. The reversal of 231301043 is 340103132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231301043 - 2⁴ = 231301027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231301243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599033 + ... + 599418.

It is an arithmetic number, because the mean of its divisors is an integer number (58124922).

Almost surely, 2^231301043 is an apocalyptic number.

231301043 is a deficient number, since it is larger than the sum of its proper divisors (1198645).

231301043 is a wasteful number, since it uses less digits than its factorization.

231301043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198644.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231301043 is about 15208.5845166472. The cubic root of 231301043 is about 613.8456704506.

Adding to 231301043 its reverse (340103132), we get a palindrome (571404175).

The spelling of 231301043 in words is "two hundred thirty-one million, three hundred one thousand, forty-three".