21322210023031 has 4 divisors (see below), whose sum is σ = 22249262632752. Its totient is φ = 20395157413312.

The previous prime is 21322210022989. The next prime is 21322210023047. The reversal of 21322210023031 is 13032001222312.

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 21322210023031 - 2¹¹ = 21322210020983 is a prime.

It is a super-2 number, since 2×21322210023031² (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 = 21322210022993 and 21322210023011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322210023061) 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, 463526304826 + ... + 463526304871.

It is an arithmetic number, because the mean of its divisors is an integer number (5562315658188).

Almost surely, 2^{21322210023031} is an apocalyptic number.

21322210023031 is a deficient number, since it is larger than the sum of its proper divisors (927052609721).

21322210023031 is an equidigital number, since it uses as much as digits as its factorization.

21322210023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927052609720.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21322210023031 its reverse (13032001222312), we get a palindrome (34354211245343).

The spelling of 21322210023031 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred ten million, twenty-three thousand, thirty-one".