21302110331131 has 8 divisors (see below), whose sum is σ = 24491049004800. Its totient is φ = 18149616671208.

The previous prime is 21302110331077. The next prime is 21302110331221. The reversal of 21302110331131 is 13113301120312.

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

It is a cyclic number.

It is not a de Polignac number, because 21302110331131 - 2¹⁵ = 21302110298363 is a prime.

It is a super-2 number, since 2×21302110331131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21302110391131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9111252181 + ... + 9111254518.

It is an arithmetic number, because the mean of its divisors is an integer number (3061381125600).

Almost surely, 2^{21302110331131} is an apocalyptic number.

21302110331131 is a deficient number, since it is larger than the sum of its proper divisors (3188938673669).

21302110331131 is a wasteful number, since it uses less digits than its factorization.

21302110331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222506873.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21302110331131 its reverse (13113301120312), we get a palindrome (34415411451443).

The spelling of 21302110331131 in words is "twenty-one trillion, three hundred two billion, one hundred ten million, three hundred thirty-one thousand, one hundred thirty-one".