3121000101 has 12 divisors (see below), whose sum is σ = 4509992812. Its totient is φ = 2079798336.

The previous prime is 3121000093. The next prime is 3121000117. The reversal of 3121000101 is 1010001213.

3121000101 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 2675579076 + 445421025 = 51726^2 + 21105^2 .

It is not a de Polignac number, because 3121000101 - 2³ = 3121000093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121004101) 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, 49216 + ... + 93081.

Almost surely, 2^3121000101 is an apocalyptic number.

It is an amenable number.

3121000101 is a deficient number, since it is larger than the sum of its proper divisors (1388992711).

3121000101 is a wasteful number, since it uses less digits than its factorization.

3121000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144740 (or 144737 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 3121000101 is about 55865.9117978039. The cubic root of 3121000101 is about 1461.3848280798.

Adding to 3121000101 its reverse (1010001213), we get a palindrome (4131001314).

The spelling of 3121000101 in words is "three billion, one hundred twenty-one million, one hundred one", and thus it is an aban number.