233131324 has 12 divisors (see below), whose sum is σ = 414069544. Its totient is φ = 114825744.

The previous prime is 233131321. The next prime is 233131343. The reversal of 233131324 is 423131332.

It is a junction number, because it is equal to n+sod(n) for n = 233131295 and 233131304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233131321) 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, 434679 + ... + 435214.

Almost surely, 2^233131324 is an apocalyptic number.

It is an amenable number.

233131324 is a deficient number, since it is larger than the sum of its proper divisors (180938220).

233131324 is a wasteful number, since it uses less digits than its factorization.

233131324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869964 (or 869962 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 233131324 is about 15268.6385771620. The cubic root of 233131324 is about 615.4605350357.

Adding to 233131324 its reverse (423131332), we get a palindrome (656262656).

The spelling of 233131324 in words is "two hundred thirty-three million, one hundred thirty-one thousand, three hundred twenty-four".