133202220031 has 4 divisors (see below), whose sum is σ = 133206132064. Its totient is φ = 133198308000.

The previous prime is 133202220023. The next prime is 133202220043. The reversal of 133202220031 is 130022202331.

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

It is a cyclic number.

It is not a de Polignac number, because 133202220031 - 2³ = 133202220023 is a prime.

It is a super-2 number, since 2×133202220031² (a number of 23 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 = 133202219990 and 133202220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133202220001) 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, 1904490 + ... + 1973191.

It is an arithmetic number, because the mean of its divisors is an integer number (33301533016).

Almost surely, 2^133202220031 is an apocalyptic number.

133202220031 is a deficient number, since it is larger than the sum of its proper divisors (3912033).

133202220031 is an equidigital number, since it uses as much as digits as its factorization.

133202220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912032.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 133202220031 its reverse (130022202331), we get a palindrome (263224422362).

The spelling of 133202220031 in words is "one hundred thirty-three billion, two hundred two million, two hundred twenty thousand, thirty-one".