21310020010302 has 32 divisors (see below), whose sum is σ = 43194825262080. Its totient is φ = 7007689509600.

The previous prime is 21310020010267. The next prime is 21310020010441. The reversal of 21310020010302 is 20301002001312.

It is a super-2 number, since 2×21310020010302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17800449 + ... + 18959852.

It is an arithmetic number, because the mean of its divisors is an integer number (1349838289440).

Almost surely, 2^{21310020010302} is an apocalyptic number.

21310020010302 is an abundant number, since it is smaller than the sum of its proper divisors (21884805251778).

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

21310020010302 is a wasteful number, since it uses less digits than its factorization.

21310020010302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36761608.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21310020010302 its reverse (20301002001312), we get a palindrome (41611022011614).

The spelling of 21310020010302 in words is "twenty-one trillion, three hundred ten billion, twenty million, ten thousand, three hundred two".