20031133211 has 8 divisors (see below), whose sum is σ = 21094628880. Its totient is φ = 18968560128.

The previous prime is 20031133193. The next prime is 20031133219. The reversal of 20031133211 is 11233113002.

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 20031133211 - 2²⁶ = 19964024347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20031133211.

It is not an unprimeable number, because it can be changed into a prime (20031133219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185846 + ... + 273131.

It is an arithmetic number, because the mean of its divisors is an integer number (2636828610).

Almost surely, 2^20031133211 is an apocalyptic number.

20031133211 is a deficient number, since it is larger than the sum of its proper divisors (1063495669).

20031133211 is a wasteful number, since it uses less digits than its factorization.

20031133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461293.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20031133211 its reverse (11233113002), we get a palindrome (31264246213).

The spelling of 20031133211 in words is "twenty billion, thirty-one million, one hundred thirty-three thousand, two hundred eleven".