21133133104031 has 8 divisors (see below), whose sum is σ = 23242987637184. Its totient is φ = 19092454129440.

The previous prime is 21133133103997. The next prime is 21133133104033. The reversal of 21133133104031 is 13040133133112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21133133104031 - 2¹⁰ = 21133133103007 is a prime.

It is a super-3 number, since 3×21133133104031³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133133104033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17293889000 + ... + 17293890221.

It is an arithmetic number, because the mean of its divisors is an integer number (2905373454648).

Almost surely, 2^{21133133104031} is an apocalyptic number.

21133133104031 is a deficient number, since it is larger than the sum of its proper divisors (2109854533153).

21133133104031 is a wasteful number, since it uses less digits than its factorization.

21133133104031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34587779281.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21133133104031 its reverse (13040133133112), we get a palindrome (34173266237143).

The spelling of 21133133104031 in words is "twenty-one trillion, one hundred thirty-three billion, one hundred thirty-three million, one hundred four thousand, thirty-one".