234311431 has 8 divisors (see below), whose sum is σ = 241511328. Its totient is φ = 227220000.

The previous prime is 234311347. The next prime is 234311437. The reversal of 234311431 is 134113432.

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 234311431 - 2¹⁹ = 233787143 is a prime.

It is a super-2 number, since 2×234311431² = 109803693394535522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234311437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22720 + ... + 31381.

It is an arithmetic number, because the mean of its divisors is an integer number (30188916).

Almost surely, 2^234311431 is an apocalyptic number.

234311431 is a deficient number, since it is larger than the sum of its proper divisors (7199897).

234311431 is an equidigital number, since it uses as much as digits as its factorization.

234311431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54233.

The product of its digits is 864, while the sum is 22.

The square root of 234311431 is about 15307.2345967520. The cubic root of 234311431 is about 616.4972714497.

Adding to 234311431 its reverse (134113432), we get a palindrome (368424863).

The spelling of 234311431 in words is "two hundred thirty-four million, three hundred eleven thousand, four hundred thirty-one".