235322431 has 4 divisors (see below), whose sum is σ = 235419912. Its totient is φ = 235224952.

The previous prime is 235322383. The next prime is 235322441. The reversal of 235322431 is 134223532.

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 235322431 - 2²⁵ = 201767999 is a prime.

It is a super-2 number, since 2×235322431² = 110753293063499522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235322396 and 235322405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235322441) 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, 45025 + ... + 49978.

It is an arithmetic number, because the mean of its divisors is an integer number (58854978).

Almost surely, 2^235322431 is an apocalyptic number.

235322431 is a deficient number, since it is larger than the sum of its proper divisors (97481).

235322431 is an equidigital number, since it uses as much as digits as its factorization.

235322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97480.

The product of its digits is 4320, while the sum is 25.

The square root of 235322431 is about 15340.2226515784. Note that the first 3 decimals coincide. The cubic root of 235322431 is about 617.3826805917.

Adding to 235322431 its reverse (134223532), we get a palindrome (369545963).

The spelling of 235322431 in words is "two hundred thirty-five million, three hundred twenty-two thousand, four hundred thirty-one".