2101304331 has 24 divisors (see below), whose sum is σ = 3512737280. Its totient is φ = 1185543216.

The previous prime is 2101304323. The next prime is 2101304347. The reversal of 2101304331 is 1334031012.

It is not a de Polignac number, because 2101304331 - 2³ = 2101304323 is a prime.

It is a super-2 number, since 2×2101304331² = 8830959782958715122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101304351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206125 + ... + 216078.

Almost surely, 2^2101304331 is an apocalyptic number.

2101304331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2101304331 is a deficient number, since it is larger than the sum of its proper divisors (1411432949).

2101304331 is a wasteful number, since it uses less digits than its factorization.

2101304331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422295 (or 422292 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2101304331 is about 45839.9861583749. The cubic root of 2101304331 is about 1280.8442369572.

Adding to 2101304331 its reverse (1334031012), we get a palindrome (3435335343).

The spelling of 2101304331 in words is "two billion, one hundred one million, three hundred four thousand, three hundred thirty-one".