21202410301313 has 8 divisors (see below), whose sum is σ = 21934074213480. Its totient is φ = 20470782810240.

The previous prime is 21202410301309. The next prime is 21202410301321. The reversal of 21202410301313 is 31310301420212.

It can be written as a sum of positive squares in 4 ways, for example, as 5289595207744 + 15912815093569 = 2299912^2 + 3989087^2 .

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 21202410301313 - 2² = 21202410301309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202410301913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7918268 + ... + 10252013.

It is an arithmetic number, because the mean of its divisors is an integer number (2741759276685).

Almost surely, 2^{21202410301313} is an apocalyptic number.

It is an amenable number.

21202410301313 is a deficient number, since it is larger than the sum of its proper divisors (731663912167).

21202410301313 is a wasteful number, since it uses less digits than its factorization.

21202410301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210547.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21202410301313 its reverse (31310301420212), we get a palindrome (52512711721525).

The spelling of 21202410301313 in words is "twenty-one trillion, two hundred two billion, four hundred ten million, three hundred one thousand, three hundred thirteen".