20211031132203 has 8 divisors (see below), whose sum is σ = 27877284320400. Its totient is φ = 13009399349408.

The previous prime is 20211031132177. The next prime is 20211031132211. The reversal of 20211031132203 is 30223113011202.

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 20211031132203 - 2³³ = 20202441197611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20211031132203.

It is not an unprimeable number, because it can be changed into a prime (20211031132283) 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, 116155351248 + ... + 116155351421.

It is an arithmetic number, because the mean of its divisors is an integer number (3484660540050).

Almost surely, 2^{20211031132203} is an apocalyptic number.

20211031132203 is a deficient number, since it is larger than the sum of its proper divisors (7666253188197).

20211031132203 is a wasteful number, since it uses less digits than its factorization.

20211031132203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232310702701.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20211031132203 its reverse (30223113011202), we get a palindrome (50434144143405).

The spelling of 20211031132203 in words is "twenty trillion, two hundred eleven billion, thirty-one million, one hundred thirty-two thousand, two hundred three".