21031300300033 has 8 divisors (see below), whose sum is σ = 23100741748800. Its totient is φ = 19058111941968.

The previous prime is 21031300299917. The next prime is 21031300300061. The reversal of 21031300300033 is 33000300313012.

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 21031300300033 - 2⁹ = 21031300299521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21031300300063) 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, 24063272218 + ... + 24063273091.

It is an arithmetic number, because the mean of its divisors is an integer number (2887592718600).

Almost surely, 2^{21031300300033} is an apocalyptic number.

21031300300033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21031300300033 is a deficient number, since it is larger than the sum of its proper divisors (2069441448767).

21031300300033 is a wasteful number, since it uses less digits than its factorization.

21031300300033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48126545351.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 21031300300033 its reverse (33000300313012), we get a palindrome (54031600613045).

The spelling of 21031300300033 in words is "twenty-one trillion, thirty-one billion, three hundred million, three hundred thousand, thirty-three".