3121113003030 has 128 divisors (see below), whose sum is σ = 9081333480960. Its totient is φ = 756489121920.

The previous prime is 3121113003013. The next prime is 3121113003053. The reversal of 3121113003030 is 303003111213.

It is a happy number.

3121113003030 is a `hidden beast` number, since 31 + 21 + 11 + 300 + 303 + 0 = 666.

3121113003030 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 3121113002994 and 3121113003012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15901852 + ... + 16096928.

It is an arithmetic number, because the mean of its divisors is an integer number (70947917820).

Almost surely, 2^{3121113003030} is an apocalyptic number.

3121113003030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121113003030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4540666740480).

3121113003030 is an abundant number, since it is smaller than the sum of its proper divisors (5960220477930).

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

3121113003030 is a wasteful number, since it uses less digits than its factorization.

3121113003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200491 (or 200485 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 3121113003030 its reverse (303003111213), we get a palindrome (3424116114243).

The spelling of 3121113003030 in words is "three trillion, one hundred twenty-one billion, one hundred thirteen million, three thousand, thirty".