21313200311302 has 8 divisors (see below), whose sum is σ = 32833849128336. Its totient is φ = 10368583935192.

The previous prime is 21313200311203. The next prime is 21313200311317. The reversal of 21313200311302 is 20311300231312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144008110138 + ... + 144008110285.

It is an arithmetic number, because the mean of its divisors is an integer number (4104231141042).

Almost surely, 2^{21313200311302} is an apocalyptic number.

21313200311302 is a deficient number, since it is larger than the sum of its proper divisors (11520648817034).

21313200311302 is a wasteful number, since it uses less digits than its factorization.

21313200311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288016220462.

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

Adding to 21313200311302 its reverse (20311300231312), we get a palindrome (41624500542614).

The spelling of 21313200311302 in words is "twenty-one trillion, three hundred thirteen billion, two hundred million, three hundred eleven thousand, three hundred two".