1331110120 has 16 divisors (see below), whose sum is σ = 2994997860. Its totient is φ = 532444032.

The previous prime is 1331110111. The next prime is 1331110159. The reversal of 1331110120 is 210111331.

It can be written as a sum of positive squares in 2 ways, for example, as 1329769156 + 1340964 = 36466^2 + 1158^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1331110120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16638837 + ... + 16638916.

Almost surely, 2^1331110120 is an apocalyptic number.

1331110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331110120 is an abundant number, since it is smaller than the sum of its proper divisors (1663887740).

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

1331110120 is a wasteful number, since it uses less digits than its factorization.

1331110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33277764 (or 33277760 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1331110120 is about 36484.3818640251. The cubic root of 1331110120 is about 1100.0303352516.

Adding to 1331110120 its reverse (210111331), we get a palindrome (1541221451).

The spelling of 1331110120 in words is "one billion, three hundred thirty-one million, one hundred ten thousand, one hundred twenty".