21310303023331 has 8 divisors (see below), whose sum is σ = 24355549309280. Its totient is φ = 18265286058048.

The previous prime is 21310303023319. The next prime is 21310303023337. The reversal of 21310303023331 is 13332030301312.

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 21310303023331 - 2³³ = 21301713088739 is a prime.

It is a super-2 number, since 2×21310303023331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21310303023296 and 21310303023305.

It is not an unprimeable number, because it can be changed into a prime (21310303023337) 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, 57130986 + ... + 57502783.

It is an arithmetic number, because the mean of its divisors is an integer number (3044443663660).

Almost surely, 2^{21310303023331} is an apocalyptic number.

21310303023331 is a deficient number, since it is larger than the sum of its proper divisors (3045246285949).

21310303023331 is a wasteful number, since it uses less digits than its factorization.

21310303023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114660333.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21310303023331 its reverse (13332030301312), we get a palindrome (34642333324643).

The spelling of 21310303023331 in words is "twenty-one trillion, three hundred ten billion, three hundred three million, twenty-three thousand, three hundred thirty-one".