33031313104 has 80 divisors (see below), whose sum is σ = 69267530880. Its totient is φ = 15217804800.

The previous prime is 33031313083. The next prime is 33031313111. The reversal of 33031313104 is 40131313033.

It is a super-2 number, since 2×33031313104² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1363207 + ... + 1387225.

It is an arithmetic number, because the mean of its divisors is an integer number (865844136).

Almost surely, 2^33031313104 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 33031313104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34633765440).

33031313104 is an abundant number, since it is smaller than the sum of its proper divisors (36236217776).

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

33031313104 is a wasteful number, since it uses less digits than its factorization.

33031313104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24188 (or 24182 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33031313104 its reverse (40131313033), we get a palindrome (73162626137).

The spelling of 33031313104 in words is "thirty-three billion, thirty-one million, three hundred thirteen thousand, one hundred four".