234111213331 has 4 divisors (see below), whose sum is σ = 247882461192. Its totient is φ = 220339965472.

The previous prime is 234111213307. The next prime is 234111213341. The reversal of 234111213331 is 133312111432.

234111213331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 234111213331 - 2²³ = 234102824723 is a prime.

It is a super-2 number, since 2×234111213331² (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 = 234111213296 and 234111213305.

It is not an unprimeable number, because it can be changed into a prime (234111213341) 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, 6885623905 + ... + 6885623938.

It is an arithmetic number, because the mean of its divisors is an integer number (61970615298).

Almost surely, 2^234111213331 is an apocalyptic number.

234111213331 is a deficient number, since it is larger than the sum of its proper divisors (13771247861).

234111213331 is a wasteful number, since it uses less digits than its factorization.

234111213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771247860.

The product of its digits is 1296, while the sum is 25.

Adding to 234111213331 its reverse (133312111432), we get a palindrome (367423324763).

The spelling of 234111213331 in words is "two hundred thirty-four billion, one hundred eleven million, two hundred thirteen thousand, three hundred thirty-one".