3103012020 has 48 divisors (see below), whose sum is σ = 8900353728. Its totient is φ = 807287040.

The previous prime is 3103012013. The next prime is 3103012043. The reversal of 3103012020 is 202103013.

It is a happy number.

3103012020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3103011987 and 3103012005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628234 + ... + 633153.

It is an arithmetic number, because the mean of its divisors is an integer number (185424036).

Almost surely, 2^3103012020 is an apocalyptic number.

3103012020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103012020 is an abundant number, since it is smaller than the sum of its proper divisors (5797341708).

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

3103012020 is a wasteful number, since it uses less digits than its factorization.

3103012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261440 (or 1261438 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3103012020 is about 55704.6857993114. The cubic root of 3103012020 is about 1458.5718222718.

Adding to 3103012020 its reverse (202103013), we get a palindrome (3305115033).

The spelling of 3103012020 in words is "three billion, one hundred three million, twelve thousand, twenty".