33103131131312 has 80 divisors (see below), whose sum is σ = 71090261577888. Its totient is φ = 14806479421440.

The previous prime is 33103131131303. The next prime is 33103131131327. The reversal of 33103131131312 is 21313113130133.

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, 2587988 + ... + 8538380.

Almost surely, 2^{33103131131312} 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 33103131131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35545130788944).

33103131131312 is an abundant number, since it is smaller than the sum of its proper divisors (37987130446576).

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

33103131131312 is a wasteful number, since it uses less digits than its factorization.

33103131131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950918 (or 5950912 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 33103131131312 its reverse (21313113130133), we get a palindrome (54416244261445).

The spelling of 33103131131312 in words is "thirty-three trillion, one hundred three billion, one hundred thirty-one million, one hundred thirty-one thousand, three hundred twelve".