21310033301 has 4 divisors (see below), whose sum is σ = 22236556512. Its totient is φ = 20383510092.

The previous prime is 21310033291. The next prime is 21310033309. The reversal of 21310033301 is 10333001312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21310033301 - 2²² = 21305838997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21310033301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310033309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463261571 + ... + 463261616.

It is an arithmetic number, because the mean of its divisors is an integer number (5559139128).

Almost surely, 2^21310033301 is an apocalyptic number.

It is an amenable number.

21310033301 is a deficient number, since it is larger than the sum of its proper divisors (926523211).

21310033301 is an equidigital number, since it uses as much as digits as its factorization.

21310033301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926523210.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 21310033301 its reverse (10333001312), we get a palindrome (31643034613).

The spelling of 21310033301 in words is "twenty-one billion, three hundred ten million, thirty-three thousand, three hundred one".