21313414002 has 32 divisors (see below), whose sum is σ = 44581616640. Its totient is φ = 6780082320.

The previous prime is 21313413943. The next prime is 21313414007. The reversal of 21313414002 is 20041431312.

It is a self number, because there is not a number n which added to its sum of digits gives 21313414002.

It is not an unprimeable number, because it can be changed into a prime (21313414007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115324 + ... + 236487.

It is an arithmetic number, because the mean of its divisors is an integer number (1393175520).

Almost surely, 2^21313414002 is an apocalyptic number.

21313414002 is an abundant number, since it is smaller than the sum of its proper divisors (23268202638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21313414002 is a wasteful number, since it uses less digits than its factorization.

21313414002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352278.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21313414002 its reverse (20041431312), we get a palindrome (41354845314).

The spelling of 21313414002 in words is "twenty-one billion, three hundred thirteen million, four hundred fourteen thousand, two".