234311213331 has 24 divisors (see below), whose sum is σ = 367828020560. Its totient is φ = 142868650176.

The previous prime is 234311213251. The next prime is 234311213351. The reversal of 234311213331 is 133312113432.

234311213331 is a `hidden beast` number, since 2 + 3 + 4 + 311 + 2 + 13 + 331 = 666.

It is not a de Polignac number, because 234311213331 - 2⁹ = 234311212819 is a prime.

It is a super-2 number, since 2×234311213331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234311213295 and 234311213304.

It is not an unprimeable number, because it can be changed into a prime (234311213351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9173761 + ... + 9199266.

Almost surely, 2^234311213331 is an apocalyptic number.

234311213331 is a deficient number, since it is larger than the sum of its proper divisors (133516807229).

234311213331 is a wasteful number, since it uses less digits than its factorization.

234311213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373155 (or 18373152 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 234311213331 its reverse (133312113432), we get a palindrome (367623326763).

The spelling of 234311213331 in words is "two hundred thirty-four billion, three hundred eleven million, two hundred thirteen thousand, three hundred thirty-one".