33112232131 has 12 divisors (see below), whose sum is σ = 36426012336. Its totient is φ = 30077281520.

The previous prime is 33112232117. The next prime is 33112232201. The reversal of 33112232131 is 13123221133.

It is not a de Polignac number, because 33112232131 - 2⁹ = 33112231619 is a prime.

It is a super-2 number, since 2×33112232131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33112232731) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36105 + ... + 259861.

It is an arithmetic number, because the mean of its divisors is an integer number (3035501028).

Almost surely, 2^33112232131 is an apocalyptic number.

33112232131 is a deficient number, since it is larger than the sum of its proper divisors (3313780205).

33112232131 is a wasteful number, since it uses less digits than its factorization.

33112232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225002 (or 224991 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 33112232131 its reverse (13123221133), we get a palindrome (46235453264).

The spelling of 33112232131 in words is "thirty-three billion, one hundred twelve million, two hundred thirty-two thousand, one hundred thirty-one".