231044434430431 has 8 divisors (see below), whose sum is σ = 244683640056240. Its totient is φ = 217410601753728.

The previous prime is 231044434430399. The next prime is 231044434430443. The reversal of 231044434430431 is 134034434440132.

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 231044434430431 - 2⁵ = 231044434430399 is a prime.

It is a super-2 number, since 2×231044434430431² (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 (231044434830431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343148736 + ... + 1343320741.

It is an arithmetic number, because the mean of its divisors is an integer number (30585455007030).

Almost surely, 2^{231044434430431} is an apocalyptic number.

231044434430431 is a deficient number, since it is larger than the sum of its proper divisors (13639205625809).

231044434430431 is a wasteful number, since it uses less digits than its factorization.

231044434430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686474553.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 231044434430431 its reverse (134034434440132), we get a palindrome (365078868870563).

The spelling of 231044434430431 in words is "two hundred thirty-one trillion, forty-four billion, four hundred thirty-four million, four hundred thirty thousand, four hundred thirty-one".