3081122100 has 216 divisors, whose sum is σ = 11089915200. Its totient is φ = 700899840.

The previous prime is 3081122089. The next prime is 3081122101. The reversal of 3081122100 is 12211803.

3081122100 is digitally balanced in base 2 and base 4, because in such bases 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081122101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1466851 + ... + 1468949.

It is an arithmetic number, because the mean of its divisors is an integer number (51342200).

Almost surely, 2^3081122100 is an apocalyptic number.

3081122100 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 3081122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5544957600).

3081122100 is an abundant number, since it is smaller than the sum of its proper divisors (8008793100).

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

3081122100 is a wasteful number, since it uses less digits than its factorization.

3081122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 3081122100 is about 55507.8562007217. The cubic root of 3081122100 is about 1455.1339374347.

Adding to 3081122100 its reverse (12211803), we get a palindrome (3093333903).

The spelling of 3081122100 in words is "three billion, eighty-one million, one hundred twenty-two thousand, one hundred".