21023211300331 has 8 divisors (see below), whose sum is σ = 21190338823680. Its totient is φ = 20856108627648.

The previous prime is 21023211300293. The next prime is 21023211300367. The reversal of 21023211300331 is 13300311232012.

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 21023211300331 - 2²¹ = 21023209203179 is a prime.

It is a super-2 number, since 2×21023211300331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21023211300631) 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, 4512136 + ... + 7899733.

It is an arithmetic number, because the mean of its divisors is an integer number (2648792352960).

Almost surely, 2^{21023211300331} is an apocalyptic number.

21023211300331 is a deficient number, since it is larger than the sum of its proper divisors (167127523349).

21023211300331 is a wasteful number, since it uses less digits than its factorization.

21023211300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12425333.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21023211300331 its reverse (13300311232012), we get a palindrome (34323522532343).

The spelling of 21023211300331 in words is "twenty-one trillion, twenty-three billion, two hundred eleven million, three hundred thousand, three hundred thirty-one".