33313243312 has 40 divisors (see below), whose sum is σ = 68923981440. Its totient is φ = 15563466240.

The previous prime is 33313243307. The next prime is 33313243331. The reversal of 33313243312 is 21334231333.

It is a super-2 number, since 2×33313243312² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1143613 + ... + 1172380.

It is an arithmetic number, because the mean of its divisors is an integer number (1723099536).

Almost surely, 2^33313243312 is an apocalyptic number.

It is an amenable number.

33313243312 is an abundant number, since it is smaller than the sum of its proper divisors (35610738128).

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

33313243312 is a wasteful number, since it uses less digits than its factorization.

33313243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316061 (or 2316055 counting only the distinct ones).

The product of its digits is 11664, while the sum is 28.

Adding to 33313243312 its reverse (21334231333), we get a palindrome (54647474645).

The spelling of 33313243312 in words is "thirty-three billion, three hundred thirteen million, two hundred forty-three thousand, three hundred twelve".