234233431231 has 8 divisors (see below), whose sum is σ = 235737573680. Its totient is φ = 232729443648.

The previous prime is 234233431189. The next prime is 234233431253. The reversal of 234233431231 is 132134332432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234233431231 is a prime.

It is a super-2 number, since 2×234233431231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234233431193 and 234233431202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234233431291) 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, 5892340 + ... + 5931958.

It is an arithmetic number, because the mean of its divisors is an integer number (29467196710).

Almost surely, 2^234233431231 is an apocalyptic number.

234233431231 is a deficient number, since it is larger than the sum of its proper divisors (1504142449).

234233431231 is a wasteful number, since it uses less digits than its factorization.

234233431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77433.

The product of its digits is 31104, while the sum is 31.

Adding to 234233431231 its reverse (132134332432), we get a palindrome (366367763663).

The spelling of 234233431231 in words is "two hundred thirty-four billion, two hundred thirty-three million, four hundred thirty-one thousand, two hundred thirty-one".