3103112020020 has 48 divisors (see below), whose sum is σ = 8689020258240. Its totient is φ = 827467338496.

The previous prime is 3103112020013. The next prime is 3103112020027. The reversal of 3103112020020 is 200202113013.

It is an interprime number because it is at equal distance from previous prime (3103112020013) and next prime (3103112020027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103112020027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829471 + ... + 2625689.

It is an arithmetic number, because the mean of its divisors is an integer number (181021255380).

Almost surely, 2^{3103112020020} is an apocalyptic number.

3103112020020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103112020020 is an abundant number, since it is smaller than the sum of its proper divisors (5585908238220).

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

3103112020020 is a wasteful number, since it uses less digits than its factorization.

3103112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825024 (or 1825022 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3103112020020 its reverse (200202113013), we get a palindrome (3303314133033).

It can be divided in two parts, 31031120 and 20020, that added together give a triangular number (31051140 = T₇₈₈₀).

The spelling of 3103112020020 in words is "three trillion, one hundred three billion, one hundred twelve million, twenty thousand, twenty".