331013130 has 96 divisors (see below), whose sum is σ = 935613504. Its totient is φ = 74721024.

The previous prime is 331013119. The next prime is 331013149. The reversal of 331013130 is 31310133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120654 + ... + 123366.

It is an arithmetic number, because the mean of its divisors is an integer number (9745974).

Almost surely, 2^331013130 is an apocalyptic number.

331013130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331013130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467806752).

331013130 is an abundant number, since it is smaller than the sum of its proper divisors (604600374).

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

331013130 is a wasteful number, since it uses less digits than its factorization.

331013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 331013130 is about 18193.7662401164. The cubic root of 331013130 is about 691.7487881075.

Adding to 331013130 its reverse (31310133), we get a palindrome (362323263).

The spelling of 331013130 in words is "three hundred thirty-one million, thirteen thousand, one hundred thirty".