331243104 has 96 divisors (see below), whose sum is σ = 920747520. Its totient is φ = 104090112.

The previous prime is 331243097. The next prime is 331243183. The reversal of 331243104 is 401342133.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118329 + ... + 121095.

It is an arithmetic number, because the mean of its divisors is an integer number (9591120).

Almost surely, 2^331243104 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 331243104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460373760).

331243104 is an abundant number, since it is smaller than the sum of its proper divisors (589504416).

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

331243104 is a wasteful number, since it uses less digits than its factorization.

331243104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 331243104 is about 18200.0852745255. The cubic root of 331243104 is about 691.9089503426.

Adding to 331243104 its reverse (401342133), we get a palindrome (732585237).

The spelling of 331243104 in words is "three hundred thirty-one million, two hundred forty-three thousand, one hundred four".