331102122 has 64 divisors (see below), whose sum is σ = 748306944. Its totient is φ = 96975360.

The previous prime is 331102117. The next prime is 331102127. The reversal of 331102122 is 221201133.

It is an interprime number because it is at equal distance from previous prime (331102117) and next prime (331102127).

It is not an unprimeable number, because it can be changed into a prime (331102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134422 + ... + 136862.

It is an arithmetic number, because the mean of its divisors is an integer number (11692296).

Almost surely, 2^331102122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331102122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374153472).

331102122 is an abundant number, since it is smaller than the sum of its proper divisors (417204822).

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

331102122 is a wasteful number, since it uses less digits than its factorization.

331102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 331102122 is about 18196.2117486031. The cubic root of 331102122 is about 691.8107741604.

Adding to 331102122 its reverse (221201133), we get a palindrome (552303255).

The spelling of 331102122 in words is "three hundred thirty-one million, one hundred two thousand, one hundred twenty-two".