234333131 has 4 divisors (see below), whose sum is σ = 244521552. Its totient is φ = 224144712.

The previous prime is 234333109. The next prime is 234333149. The reversal of 234333131 is 131333432.

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 234333131 - 2⁶ = 234333067 is a prime.

It is a super-2 number, since 2×234333131² = 109824032568526322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 10188397 = 234333131 / (2 + 3 + 4 + 3 + 3 + 3 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234333097 and 234333106.

It is not an unprimeable number, because it can be changed into a prime (234333731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5094176 + ... + 5094221.

It is an arithmetic number, because the mean of its divisors is an integer number (61130388).

Almost surely, 2^234333131 is an apocalyptic number.

234333131 is a deficient number, since it is larger than the sum of its proper divisors (10188421).

234333131 is a wasteful number, since it uses less digits than its factorization.

234333131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188420.

The product of its digits is 1944, while the sum is 23.

The square root of 234333131 is about 15307.9433955055. The cubic root of 234333131 is about 616.5163024999.

Adding to 234333131 its reverse (131333432), we get a palindrome (365666563).

The spelling of 234333131 in words is "two hundred thirty-four million, three hundred thirty-three thousand, one hundred thirty-one".