331434516 has 96 divisors (see below), whose sum is σ = 966131712. Its totient is φ = 86238720.

The previous prime is 331434503. The next prime is 331434541. The reversal of 331434516 is 615434133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40525 + ... + 48011.

It is an arithmetic number, because the mean of its divisors is an integer number (10063872).

Almost surely, 2^331434516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331434516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483065856).

331434516 is an abundant number, since it is smaller than the sum of its proper divisors (634697196).

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

331434516 is a wasteful number, since it uses less digits than its factorization.

331434516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549 (or 7547 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 331434516 is about 18205.3430618596. The cubic root of 331434516 is about 692.0422000839.

Adding to 331434516 its reverse (615434133), we get a palindrome (946868649).

The spelling of 331434516 in words is "three hundred thirty-one million, four hundred thirty-four thousand, five hundred sixteen".