3101112020 has 24 divisors (see below), whose sum is σ = 6518517768. Its totient is φ = 1239267200.

The previous prime is 3101112017. The next prime is 3101112031. The reversal of 3101112020 is 202111013.

It can be written as a sum of positive squares in 4 ways, for example, as 1177587856 + 1923524164 = 34316^2 + 43858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3101111992 and 3101112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51851 + ... + 94290.

It is an arithmetic number, because the mean of its divisors is an integer number (271604907).

Almost surely, 2^3101112020 is an apocalyptic number.

It is an amenable number.

3101112020 is an abundant number, since it is smaller than the sum of its proper divisors (3417405748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101112020 is a wasteful number, since it uses less digits than its factorization.

3101112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147211 (or 147209 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3101112020 is about 55687.6289673030. The cubic root of 3101112020 is about 1458.2740629480.

Adding to 3101112020 its reverse (202111013), we get a palindrome (3303223033).

The spelling of 3101112020 in words is "three billion, one hundred one million, one hundred twelve thousand, twenty".