1320031112 has 32 divisors (see below), whose sum is σ = 2494805400. Its totient is φ = 654772224.

The previous prime is 1320031109. The next prime is 1320031117. The reversal of 1320031112 is 2111300231.

It can be written as a sum of positive squares in 4 ways, for example, as 1276918756 + 43112356 = 35734^2 + 6566^2 .

It is not an unprimeable number, because it can be changed into a prime (1320031117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579608 + ... + 581880.

Almost surely, 2^1320031112 is an apocalyptic number.

It is an amenable number.

1320031112 is a deficient number, since it is larger than the sum of its proper divisors (1174774288).

1320031112 is a wasteful number, since it uses less digits than its factorization.

1320031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320031112 is about 36332.2324114553. The cubic root of 1320031112 is about 1096.9699287674.

Adding to 1320031112 its reverse (2111300231), we get a palindrome (3431331343).

The spelling of 1320031112 in words is "one billion, three hundred twenty million, thirty-one thousand, one hundred twelve".