3311020320 has 96 divisors (see below), whose sum is σ = 10443105792. Its totient is φ = 881805312.

The previous prime is 3311020291. The next prime is 3311020331. The reversal of 3311020320 is 230201133.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3311020320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410244 + ... + 418236.

It is an arithmetic number, because the mean of its divisors is an integer number (108782352).

Almost surely, 2^3311020320 is an apocalyptic number.

3311020320 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 3311020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5221552896).

3311020320 is an abundant number, since it is smaller than the sum of its proper divisors (7132085472).

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

3311020320 is a wasteful number, since it uses less digits than its factorization.

3311020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874 (or 8866 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3311020320 is about 57541.4660918541. The cubic root of 3311020320 is about 1490.4609957435.

Adding to 3311020320 its reverse (230201133), we get a palindrome (3541221453).

The spelling of 3311020320 in words is "three billion, three hundred eleven million, twenty thousand, three hundred twenty".