3311012320 has 144 divisors (see below), whose sum is σ = 9926845488. Its totient is φ = 1031976960.

The previous prime is 3311012269. The next prime is 3311012329. The reversal of 3311012320 is 232101133.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3311012294 and 3311012303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311012329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67044 + ... + 105436.

It is an arithmetic number, because the mean of its divisors is an integer number (68936427).

Almost surely, 2^3311012320 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 3311012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4963422744).

3311012320 is an abundant number, since it is smaller than the sum of its proper divisors (6615833168).

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

3311012320 is a wasteful number, since it uses less digits than its factorization.

3311012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38433 (or 38418 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3311012320 is about 57541.3965767255. The cubic root of 3311012320 is about 1490.4597953384.

Adding to 3311012320 its reverse (232101133), we get a palindrome (3543113453).

The spelling of 3311012320 in words is "three billion, three hundred eleven million, twelve thousand, three hundred twenty".