33213794131 has 16 divisors (see below), whose sum is σ = 38877366528. Its totient is φ = 27781135200.

The previous prime is 33213794111. The next prime is 33213794171. The reversal of 33213794131 is 13149731233.

It is a de Polignac number, because none of the positive numbers 2^k-33213794131 is a prime.

It is a super-2 number, since 2×33213794131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33213794111) 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, 277821 + ... + 378961.

It is an arithmetic number, because the mean of its divisors is an integer number (2429835408).

Almost surely, 2^33213794131 is an apocalyptic number.

33213794131 is a deficient number, since it is larger than the sum of its proper divisors (5663572397).

33213794131 is a wasteful number, since it uses less digits than its factorization.

33213794131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102282.

The product of its digits is 40824, while the sum is 37.

The spelling of 33213794131 in words is "thirty-three billion, two hundred thirteen million, seven hundred ninety-four thousand, one hundred thirty-one".