21313002202 has 64 divisors (see below), whose sum is σ = 35729971200. Its totient is φ = 9496206720.

The previous prime is 21313002199. The next prime is 21313002241. The reversal of 21313002202 is 20220031312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5290513 + ... + 5294539.

It is an arithmetic number, because the mean of its divisors is an integer number (558280800).

Almost surely, 2^21313002202 is an apocalyptic number.

21313002202 is a deficient number, since it is larger than the sum of its proper divisors (14416968998).

21313002202 is a wasteful number, since it uses less digits than its factorization.

21313002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21313002202 its reverse (20220031312), we get a palindrome (41533033514).

The spelling of 21313002202 in words is "twenty-one billion, three hundred thirteen million, two thousand, two hundred two".