21310202201310 has 96 divisors (see below), whose sum is σ = 60658584760800. Its totient is φ = 5147724825600.

The previous prime is 21310202201243. The next prime is 21310202201369. The reversal of 21310202201310 is 1310220201312.

21310202201310 is a `hidden beast` number, since 2 + 1 + 310 + 2 + 0 + 220 + 131 + 0 = 666.

It is a super-2 number, since 2×21310202201310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38023335 + ... + 38579714.

It is an arithmetic number, because the mean of its divisors is an integer number (631860257925).

Almost surely, 2^{21310202201310} is an apocalyptic number.

21310202201310 is an abundant number, since it is smaller than the sum of its proper divisors (39348382559490).

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

21310202201310 is a wasteful number, since it uses less digits than its factorization.

21310202201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76603354 (or 76603351 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21310202201310 its reverse (1310220201312), we get a palindrome (22620422402622).

It can be divided in two parts, 21310202 and 201310, that added together give a palindrome (21511512).

The spelling of 21310202201310 in words is "twenty-one trillion, three hundred ten billion, two hundred two million, two hundred one thousand, three hundred ten".