1331221334 has 16 divisors (see below), whose sum is σ = 2013451440. Its totient is φ = 660091680.

The previous prime is 1331221321. The next prime is 1331221351. The reversal of 1331221334 is 4331221331.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 130097 + ... + 139955.

It is an arithmetic number, because the mean of its divisors is an integer number (125840715).

Almost surely, 2^1331221334 is an apocalyptic number.

1331221334 is a deficient number, since it is larger than the sum of its proper divisors (682230106).

1331221334 is a wasteful number, since it uses less digits than its factorization.

1331221334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415.

The product of its digits is 1296, while the sum is 23.

The square root of 1331221334 is about 36485.9059638102. The cubic root of 1331221334 is about 1100.0609701742.

Adding to 1331221334 its reverse (4331221331), we get a palindrome (5662442665).

The spelling of 1331221334 in words is "one billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty-four".