3381020681 has 4 divisors (see below), whose sum is σ = 3410941332. Its totient is φ = 3351100032.

The previous prime is 3381020663. The next prime is 3381020693. The reversal of 3381020681 is 1860201833.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1209926656 + 2171094025 = 34784^2 + 46595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3381020681 - 2²² = 3376826377 is a prime.

It is a super-2 number, since 2×3381020681² = 22862601690699407522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3381020281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14960156 + ... + 14960381.

It is an arithmetic number, because the mean of its divisors is an integer number (852735333).

Almost surely, 2^3381020681 is an apocalyptic number.

It is an amenable number.

3381020681 is a deficient number, since it is larger than the sum of its proper divisors (29920651).

3381020681 is a wasteful number, since it uses less digits than its factorization.

3381020681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29920650.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3381020681 is about 58146.5448758566. The cubic root of 3381020681 is about 1500.8914228793.

The spelling of 3381020681 in words is "three billion, three hundred eighty-one million, twenty thousand, six hundred eighty-one".