21332203120031 has 4 divisors (see below), whose sum is σ = 21332396322312. Its totient is φ = 21332009917752.

The previous prime is 21332203119991. The next prime is 21332203120049. The reversal of 21332203120031 is 13002130223312.

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 21332203120031 - 2⁶ = 21332203119967 is a prime.

It is a super-2 number, since 2×21332203120031² (a number of 27 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 = 21332203119979 and 21332203120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332203120051) 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, 96435425 + ... + 96656378.

It is an arithmetic number, because the mean of its divisors is an integer number (5333099080578).

Almost surely, 2^{21332203120031} is an apocalyptic number.

21332203120031 is a deficient number, since it is larger than the sum of its proper divisors (193202281).

21332203120031 is a wasteful number, since it uses less digits than its factorization.

21332203120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193202280.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21332203120031 its reverse (13002130223312), we get a palindrome (34334333343343).

The spelling of 21332203120031 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred three million, one hundred twenty thousand, thirty-one".