21202210313 has 8 divisors (see below), whose sum is σ = 22149179136. Its totient is φ = 20257336000.

The previous prime is 21202210261. The next prime is 21202210343. The reversal of 21202210313 is 31301220212.

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 21202210313 - 2²² = 21198016009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21202210291 and 21202210300.

It is not an unprimeable number, because it can be changed into a prime (21202210343) 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, 502913 + ... + 543438.

It is an arithmetic number, because the mean of its divisors is an integer number (2768647392).

Almost surely, 2^21202210313 is an apocalyptic number.

21202210313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21202210313 is a deficient number, since it is larger than the sum of its proper divisors (946968823).

21202210313 is a wasteful number, since it uses less digits than its factorization.

21202210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047255.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21202210313 its reverse (31301220212), we get a palindrome (52503430525).

The spelling of 21202210313 in words is "twenty-one billion, two hundred two million, two hundred ten thousand, three hundred thirteen".