1330220331 has 24 divisors (see below), whose sum is σ = 2098362864. Its totient is φ = 805325760.

The previous prime is 1330220327. The next prime is 1330220347.

1330220331 is a `hidden beast` number, since 1 + 330 + 2 + 2 + 0 + 331 = 666.

1330220331 is nontrivially palindromic in base 10.

1330220331 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1330220331 - 2² = 1330220327 is a prime.

It is a super-2 number, since 2×1330220331² = 3538972258011499122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1330220321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91965 + ... + 105441.

It is an arithmetic number, because the mean of its divisors is an integer number (87431786).

Almost surely, 2^1330220331 is an apocalyptic number.

1330220331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1330220331 is a deficient number, since it is larger than the sum of its proper divisors (768142533).

1330220331 is a wasteful number, since it uses less digits than its factorization.

1330220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491 (or 14488 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1330220331 is about 36472.1857173381. The cubic root of 1330220331 is about 1099.7851731992.

It can be divided in two parts, 13302 and 20331, that added together give a palindrome (33633).

The spelling of 1330220331 in words is "one billion, three hundred thirty million, two hundred twenty thousand, three hundred thirty-one".