3104121216 has 384 divisors, whose sum is σ = 10288454400. Its totient is φ = 811413504.

The previous prime is 3104121199. The next prime is 3104121217. The reversal of 3104121216 is 6121214013.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3104121192 and 3104121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3104121217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52612195 + ... + 52612253.

It is an arithmetic number, because the mean of its divisors is an integer number (26792850).

Almost surely, 2^3104121216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3104121216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5144227200).

3104121216 is an abundant number, since it is smaller than the sum of its proper divisors (7184333184).

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

3104121216 is a wasteful number, since it uses less digits than its factorization.

3104121216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3104121216 is about 55714.6409483181. The cubic root of 3104121216 is about 1458.7455942165.

Adding to 3104121216 its reverse (6121214013), we get a palindrome (9225335229).

It can be divided in two parts, 31041 and 21216, that multiplied together give a palindrome (658565856).

The spelling of 3104121216 in words is "three billion, one hundred four million, one hundred twenty-one thousand, two hundred sixteen".