21323300230031 has 8 divisors (see below), whose sum is σ = 21632518664064. Its totient is φ = 21015906094080.

The previous prime is 21323300230013. The next prime is 21323300230073. The reversal of 21323300230031 is 13003200332312.

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 21323300230031 - 2²⁶ = 21323233121167 is a prime.

It is a super-2 number, since 2×21323300230031² (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 = 21323300229979 and 21323300230006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323300230831) 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, 456050975 + ... + 456097728.

It is an arithmetic number, because the mean of its divisors is an integer number (2704064833008).

Almost surely, 2^{21323300230031} is an apocalyptic number.

21323300230031 is a deficient number, since it is larger than the sum of its proper divisors (309218434033).

21323300230031 is an equidigital number, since it uses as much as digits as its factorization.

21323300230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912149041.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21323300230031 its reverse (13003200332312), we get a palindrome (34326500562343).

The spelling of 21323300230031 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred million, two hundred thirty thousand, thirty-one".