1112331321 has 6 divisors (see below), whose sum is σ = 1606700810. Its totient is φ = 741554208.

The previous prime is 1112331317. The next prime is 1112331323. The reversal of 1112331321 is 1231332111.

1112331321 is a `hidden beast` number, since 1 + 1 + 12 + 331 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1081094400 + 31236921 = 32880^2 + 5589^2 .

It is not a de Polignac number, because 1112331321 - 2² = 1112331317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112331294 and 1112331303.

It is not an unprimeable number, because it can be changed into a prime (1112331323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61796176 + ... + 61796193.

Almost surely, 2^1112331321 is an apocalyptic number.

It is an amenable number.

1112331321 is a deficient number, since it is larger than the sum of its proper divisors (494369489).

1112331321 is a wasteful number, since it uses less digits than its factorization.

1112331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123592375 (or 123592372 counting only the distinct ones).

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

The square root of 1112331321 is about 33351.6314593454. The cubic root of 1112331321 is about 1036.1231775271.

Adding to 1112331321 its reverse (1231332111), we get a palindrome (2343663432).

The spelling of 1112331321 in words is "one billion, one hundred twelve million, three hundred thirty-one thousand, three hundred twenty-one".