33197213308 has 48 divisors (see below), whose sum is σ = 66613155840. Its totient is φ = 14180592384.

The previous prime is 33197213303. The next prime is 33197213311. The reversal of 33197213308 is 80331279133.

It is a happy number.

It is a super-2 number, since 2×33197213308² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33197213303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20970285 + ... + 20971867.

It is an arithmetic number, because the mean of its divisors is an integer number (1387774080).

Almost surely, 2^33197213308 is an apocalyptic number.

It is an amenable number.

33197213308 is an abundant number, since it is smaller than the sum of its proper divisors (33415942532).

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

33197213308 is a wasteful number, since it uses less digits than its factorization.

33197213308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 33197213308 in words is "thirty-three billion, one hundred ninety-seven million, two hundred thirteen thousand, three hundred eight".