3103969981 has 8 divisors (see below), whose sum is σ = 3558730304. Its totient is φ = 2652043680.

The previous prime is 3103969969. The next prime is 3103970011. The reversal of 3103969981 is 1899693013.

3103969981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3103969981 - 2⁹ = 3103969469 is a prime.

It is a super-2 number, since 2×3103969981² = 19269259285898280722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103969931) 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, 706155 + ... + 710536.

It is an arithmetic number, because the mean of its divisors is an integer number (444841288).

Almost surely, 2^3103969981 is an apocalyptic number.

It is an amenable number.

3103969981 is a deficient number, since it is larger than the sum of its proper divisors (454760323).

3103969981 is a wasteful number, since it uses less digits than its factorization.

3103969981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417011.

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 3103969981 is about 55713.2837032606. The cubic root of 3103969981 is about 1458.7219034564.

The spelling of 3103969981 in words is "three billion, one hundred three million, nine hundred sixty-nine thousand, nine hundred eighty-one".