331538434 has 8 divisors (see below), whose sum is σ = 502434828. Its totient is φ = 164060160.

The previous prime is 331538407. The next prime is 331538443. The reversal of 331538434 is 434835133.

It can be written as a sum of positive squares in 2 ways, for example, as 331349209 + 189225 = 18203^2 + 435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 331538434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854287 + ... + 854674.

Almost surely, 2^331538434 is an apocalyptic number.

331538434 is a deficient number, since it is larger than the sum of its proper divisors (170896394).

331538434 is a wasteful number, since it uses less digits than its factorization.

331538434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709060.

The product of its digits is 51840, while the sum is 34.

The square root of 331538434 is about 18208.1968904117. The cubic root of 331538434 is about 692.1145201783.

The spelling of 331538434 in words is "three hundred thirty-one million, five hundred thirty-eight thousand, four hundred thirty-four".