3318331236 has 96 divisors (see below), whose sum is σ = 8696540160. Its totient is φ = 975945600.

The previous prime is 3318331229. The next prime is 3318331259. The reversal of 3318331236 is 6321338133.

It is a super-2 number, since 2×3318331236² = 22022644383626575392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 3318331197 and 3318331206.

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, 3218041 + ... + 3219071.

It is an arithmetic number, because the mean of its divisors is an integer number (90588960).

Almost surely, 2^3318331236 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 3318331236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4348270080).

3318331236 is an abundant number, since it is smaller than the sum of its proper divisors (5378208924).

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

3318331236 is a wasteful number, since it uses less digits than its factorization.

3318331236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1743 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 3318331236 is about 57604.9584324127. The cubic root of 3318331236 is about 1491.5571960875.

Adding to 3318331236 its reverse (6321338133), we get a palindrome (9639669369).

The spelling of 3318331236 in words is "three billion, three hundred eighteen million, three hundred thirty-one thousand, two hundred thirty-six".