331234134 has 64 divisors (see below), whose sum is σ = 827891712. Its totient is φ = 85831200.

The previous prime is 331234133. The next prime is 331234147. The reversal of 331234134 is 431432133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331234133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363139 + ... + 364049.

It is an arithmetic number, because the mean of its divisors is an integer number (12935808).

Almost surely, 2^331234134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331234134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413945856).

331234134 is an abundant number, since it is smaller than the sum of its proper divisors (496657578).

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

331234134 is a wasteful number, since it uses less digits than its factorization.

331234134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 2592, while the sum is 24.

The square root of 331234134 is about 18199.8388454404. The cubic root of 331234134 is about 691.9027046988.

Adding to 331234134 its reverse (431432133), we get a palindrome (762666267).

The spelling of 331234134 in words is "three hundred thirty-one million, two hundred thirty-four thousand, one hundred thirty-four".