331434 has 12 divisors (see below), whose sum is σ = 718146. Its totient is φ = 110472.

The previous prime is 331423. The next prime is 331447. The reversal of 331434 is 434133.

It can be written as a sum of positive squares in only one way, i.e., 308025 + 23409 = 555^2 + 153^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 18413 = 331434 / (3 + 3 + 1 + 4 + 3 + 4).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9189 + ... + 9224.

2³³¹⁴³⁴ is an apocalyptic number.

331434 is an abundant number, since it is smaller than the sum of its proper divisors (386712).

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

331434 is a wasteful number, since it uses less digits than its factorization.

331434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421 (or 18418 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 331434 is about 575.7030484547. The cubic root of 331434 is about 69.2041840944.

Adding to 331434 its reverse (434133), we get a palindrome (765567).

The spelling of 331434 in words is "three hundred thirty-one thousand, four hundred thirty-four".