331020102 has 64 divisors (see below), whose sum is σ = 770757120. Its totient is φ = 92826624.

The previous prime is 331020097. The next prime is 331020119. The reversal of 331020102 is 201020133.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937558 + ... + 937910.

It is an arithmetic number, because the mean of its divisors is an integer number (12043080).

Almost surely, 2^331020102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331020102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385378560).

331020102 is an abundant number, since it is smaller than the sum of its proper divisors (439737018).

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

331020102 is a wasteful number, since it uses less digits than its factorization.

331020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 331020102 is about 18193.9578431962. The cubic root of 331020102 is about 691.7536447513.

Adding to 331020102 its reverse (201020133), we get a palindrome (532040235).

The spelling of 331020102 in words is "three hundred thirty-one million, twenty thousand, one hundred two".