3103311022020 has 192 divisors, whose sum is σ = 10576157518080. Its totient is φ = 749195827200.

The previous prime is 3103311021983. The next prime is 3103311022027. The reversal of 3103311022020 is 202201133013.

3103311022020 is a `hidden beast` number, since 31 + 0 + 331 + 102 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3103311021984 and 3103311022002.

It is not an unprimeable number, because it can be changed into a prime (3103311022027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 347634 + ... + 2515446.

It is an arithmetic number, because the mean of its divisors is an integer number (55084153740).

Almost surely, 2^{3103311022020} is an apocalyptic number.

3103311022020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103311022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5288078759040).

3103311022020 is an abundant number, since it is smaller than the sum of its proper divisors (7472846496060).

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

3103311022020 is a wasteful number, since it uses less digits than its factorization.

3103311022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168083 (or 2168075 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3103311022020 its reverse (202201133013), we get a palindrome (3305512155033).

The spelling of 3103311022020 in words is "three trillion, one hundred three billion, three hundred eleven million, twenty-two thousand, twenty".