234204320431 has 4 divisors (see below), whose sum is σ = 234213766600. Its totient is φ = 234194874264.

The previous prime is 234204320407. The next prime is 234204320453. The reversal of 234204320431 is 134023402432.

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 234204320431 - 2⁹ = 234204319919 is a prime.

It is a super-2 number, since 2×234204320431² (a number of 24 digits) contains 22 as substring.

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 234204320431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234204360431) 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, 4685796 + ... + 4735513.

It is an arithmetic number, because the mean of its divisors is an integer number (58553441650).

Almost surely, 2^234204320431 is an apocalyptic number.

234204320431 is a deficient number, since it is larger than the sum of its proper divisors (9446169).

234204320431 is an equidigital number, since it uses as much as digits as its factorization.

234204320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446168.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 234204320431 its reverse (134023402432), we get a palindrome (368227722863).

The spelling of 234204320431 in words is "two hundred thirty-four billion, two hundred four million, three hundred twenty thousand, four hundred thirty-one".