21302310010310 has 64 divisors (see below), whose sum is σ = 46445460227712. Its totient is φ = 6867236530176.

The previous prime is 21302310010231. The next prime is 21302310010369. The reversal of 21302310010310 is 1301001320312.

It is a super-2 number, since 2×21302310010310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7630217 + ... + 10041156.

It is an arithmetic number, because the mean of its divisors is an integer number (725710316058).

Almost surely, 2^{21302310010310} is an apocalyptic number.

21302310010310 is an abundant number, since it is smaller than the sum of its proper divisors (25143150217402).

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

21302310010310 is a wasteful number, since it uses less digits than its factorization.

21302310010310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17672417.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21302310010310 its reverse (1301001320312), we get a palindrome (22603311330622).

The spelling of 21302310010310 in words is "twenty-one trillion, three hundred two billion, three hundred ten million, ten thousand, three hundred ten".