431042115230231 has 4 divisors (see below), whose sum is σ = 431048233104672. Its totient is φ = 431035997355792.

The previous prime is 431042115230203. The next prime is 431042115230261. The reversal of 431042115230231 is 132032511240134.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431042115230231 is a prime.

It is a super-2 number, since 2×431042115230231² (a number of 30 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 (431042115230261) 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, 3058831535 + ... + 3058972448.

It is an arithmetic number, because the mean of its divisors is an integer number (107762058276168).

Almost surely, 2^{431042115230231} is an apocalyptic number.

431042115230231 is a deficient number, since it is larger than the sum of its proper divisors (6117874441).

431042115230231 is an equidigital number, since it uses as much as digits as its factorization.

431042115230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117874440.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 431042115230231 its reverse (132032511240134), we get a palindrome (563074626470365).

The spelling of 431042115230231 in words is "four hundred thirty-one trillion, forty-two billion, one hundred fifteen million, two hundred thirty thousand, two hundred thirty-one".