33131422112233 has 4 divisors (see below), whose sum is σ = 33131851703380. Its totient is φ = 33130992521088.

The previous prime is 33131422112209. The next prime is 33131422112429. The reversal of 33131422112233 is 33221122413133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19680154357824 + 13451267754409 = 4436232^2 + 3667597^2 .

It is a cyclic number.

It is not a de Polignac number, because 33131422112233 - 2²¹ = 33131420015081 is a prime.

It is a super-2 number, since 2×33131422112233² (a number of 28 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 = 33131422112195 and 33131422112204.

It is not an unprimeable number, because it can be changed into a prime (33131422112533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214679868 + ... + 214834141.

It is an arithmetic number, because the mean of its divisors is an integer number (8282962925845).

Almost surely, 2^{33131422112233} is an apocalyptic number.

It is an amenable number.

33131422112233 is a deficient number, since it is larger than the sum of its proper divisors (429591147).

33131422112233 is an equidigital number, since it uses as much as digits as its factorization.

33131422112233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429591146.

The product of its digits is 15552, while the sum is 31.

Adding to 33131422112233 its reverse (33221122413133), we get a palindrome (66352544525366).

The spelling of 33131422112233 in words is "thirty-three trillion, one hundred thirty-one billion, four hundred twenty-two million, one hundred twelve thousand, two hundred thirty-three".