1331330322 has 32 divisors (see below), whose sum is σ = 3051695232. Its totient is φ = 379298304.

The previous prime is 1331330303. The next prime is 1331330359. The reversal of 1331330322 is 2230331331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30073 + ... + 59724.

It is an arithmetic number, because the mean of its divisors is an integer number (95365476).

Almost surely, 2^1331330322 is an apocalyptic number.

1331330322 is an abundant number, since it is smaller than the sum of its proper divisors (1720364910).

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

1331330322 is a wasteful number, since it uses less digits than its factorization.

1331330322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90162.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1331330322 is about 36487.3994962645. The cubic root of 1331330322 is about 1100.0909902694.

Adding to 1331330322 its reverse (2230331331), we get a palindrome (3561661653).

The spelling of 1331330322 in words is "one billion, three hundred thirty-one million, three hundred thirty thousand, three hundred twenty-two".