21310213111302 has 8 divisors (see below), whose sum is σ = 42620426222616. Its totient is φ = 7103404370432.

The previous prime is 21310213111301. The next prime is 21310213111309. The reversal of 21310213111302 is 20311131201312.

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

21310213111302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310213111301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775851092603 + ... + 1775851092614.

It is an arithmetic number, because the mean of its divisors is an integer number (5327553277827).

Almost surely, 2^{21310213111302} is an apocalyptic number.

21310213111302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21310213111302 is a wasteful number, since it uses less digits than its factorization.

21310213111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551702185222.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21310213111302 its reverse (20311131201312), we get a palindrome (41621344312614).

The spelling of 21310213111302 in words is "twenty-one trillion, three hundred ten billion, two hundred thirteen million, one hundred eleven thousand, three hundred two".