3101440220 has 96 divisors (see below), whose sum is σ = 7095211200. Its totient is φ = 1134342144.

The previous prime is 3101440213. The next prime is 3101440241. The reversal of 3101440220 is 220441013.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1963391 + ... + 1964969.

It is an arithmetic number, because the mean of its divisors is an integer number (73908450).

Almost surely, 2^3101440220 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 3101440220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3547605600).

3101440220 is an abundant number, since it is smaller than the sum of its proper divisors (3993770980).

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

3101440220 is a wasteful number, since it uses less digits than its factorization.

3101440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3101440220 is about 55690.5756838623. The cubic root of 3101440220 is about 1458.3255056414.

Adding to 3101440220 its reverse (220441013), we get a palindrome (3321881233).

The spelling of 3101440220 in words is "three billion, one hundred one million, four hundred forty thousand, two hundred twenty".