33212201131 has 4 divisors (see below), whose sum is σ = 33212772432. Its totient is φ = 33211629832.

The previous prime is 33212201129. The next prime is 33212201149. The reversal of 33212201131 is 13110221233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13110221233 = 1693 ⋅7743781.

It is a cyclic number.

It is not a de Polignac number, because 33212201131 - 2¹ = 33212201129 is a prime.

It is a super-2 number, since 2×33212201131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33212201099 and 33212201108.

It is not an unprimeable number, because it can be changed into a prime (33212208131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187120 + ... + 318493.

It is an arithmetic number, because the mean of its divisors is an integer number (8303193108).

Almost surely, 2^33212201131 is an apocalyptic number.

33212201131 is a deficient number, since it is larger than the sum of its proper divisors (571301).

33212201131 is an equidigital number, since it uses as much as digits as its factorization.

33212201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571300.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33212201131 its reverse (13110221233), we get a palindrome (46322422364).

The spelling of 33212201131 in words is "thirty-three billion, two hundred twelve million, two hundred one thousand, one hundred thirty-one".