1322111331 has 6 divisors (see below), whose sum is σ = 1909716380. Its totient is φ = 881407548.

The previous prime is 1322111317. The next prime is 1322111383. The reversal of 1322111331 is 1331112231.

1322111331 is a `hidden beast` number, since 1 + 322 + 1 + 11 + 331 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1322111331 is a prime.

It is a super-2 number, since 2×1322111331² = 3495956743117183122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322111431) 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 5 ways as a sum of consecutive naturals, for example, 73450621 + ... + 73450638.

Almost surely, 2^1322111331 is an apocalyptic number.

1322111331 is a deficient number, since it is larger than the sum of its proper divisors (587605049).

1322111331 is a wasteful number, since it uses less digits than its factorization.

1322111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146901265 (or 146901262 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1322111331 is about 36360.8488762295. The cubic root of 1322111331 is about 1097.5458596487.

Adding to 1322111331 its reverse (1331112231), we get a palindrome (2653223562).

The spelling of 1322111331 in words is "one billion, three hundred twenty-two million, one hundred eleven thousand, three hundred thirty-one".