331003134 has 144 divisors (see below), whose sum is σ = 921389040. Its totient is φ = 84913920.

The previous prime is 331003111. The next prime is 331003163. The reversal of 331003134 is 431300133.

331003134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1057362 + ... + 1057674.

It is an arithmetic number, because the mean of its divisors is an integer number (6398535).

Almost surely, 2^331003134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331003134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460694520).

331003134 is an abundant number, since it is smaller than the sum of its proper divisors (590385906).

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

331003134 is a wasteful number, since it uses less digits than its factorization.

331003134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 331003134 is about 18193.4915285659. The cubic root of 331003134 is about 691.7418248484.

Adding to 331003134 its reverse (431300133), we get a palindrome (762303267).

The spelling of 331003134 in words is "three hundred thirty-one million, three thousand, one hundred thirty-four".