234431334 has 48 divisors (see below), whose sum is σ = 541024848. Its totient is φ = 76025952.

The previous prime is 234431333. The next prime is 234431363. The reversal of 234431334 is 433134432.

234431334 is a `hidden beast` number, since 2 + 344 + 313 + 3 + 4 = 666.

It is a super-2 number, since 2×234431334² = 109916100722039112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 234431298 and 234431307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234431333) 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, 11464 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (11271351).

Almost surely, 2^234431334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234431334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270512424).

234431334 is an abundant number, since it is smaller than the sum of its proper divisors (306593514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234431334 is a wasteful number, since it uses less digits than its factorization.

234431334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13091 (or 13079 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 234431334 is about 15311.1506425873. The cubic root of 234431334 is about 616.6024125244.

Adding to 234431334 its reverse (433134432), we get a palindrome (667565766).

The spelling of 234431334 in words is "two hundred thirty-four million, four hundred thirty-one thousand, three hundred thirty-four".