3121341013 has 12 divisors (see below), whose sum is σ = 3643356780. Its totient is φ = 2666291712.

The previous prime is 3121340969. The next prime is 3121341019. The reversal of 3121341013 is 3101431213.

3121341013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2336948964 + 784392049 = 48342^2 + 28007^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3121341013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121341019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94348 + ... + 123061.

It is an arithmetic number, because the mean of its divisors is an integer number (303613065).

Almost surely, 2^3121341013 is an apocalyptic number.

It is an amenable number.

3121341013 is a deficient number, since it is larger than the sum of its proper divisors (522015767).

3121341013 is a wasteful number, since it uses less digits than its factorization.

3121341013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217716 (or 217709 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3121341013 is about 55868.9628774331. The cubic root of 3121341013 is about 1461.4380359693.

Adding to 3121341013 its reverse (3101431213), we get a palindrome (6222772226).

The spelling of 3121341013 in words is "three billion, one hundred twenty-one million, three hundred forty-one thousand, thirteen".