21302210323131 has 8 divisors (see below), whose sum is σ = 28413900809040. Its totient is φ = 14195996692992.

The previous prime is 21302210323117. The next prime is 21302210323241. The reversal of 21302210323131 is 13132301220312.

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

It is not a de Polignac number, because 21302210323131 - 2⁷ = 21302210323003 is a prime.

It is a super-3 number, since 3×21302210323131³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (21302210321131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1369204866 + ... + 1369220423.

It is an arithmetic number, because the mean of its divisors is an integer number (3551737601130).

Almost surely, 2^{21302210323131} is an apocalyptic number.

21302210323131 is a deficient number, since it is larger than the sum of its proper divisors (7111690485909).

21302210323131 is a wasteful number, since it uses less digits than its factorization.

21302210323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738427885.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21302210323131 its reverse (13132301220312), we get a palindrome (34434511543443).

The spelling of 21302210323131 in words is "twenty-one trillion, three hundred two billion, two hundred ten million, three hundred twenty-three thousand, one hundred thirty-one".