21230200231331 has 32 divisors (see below), whose sum is σ = 26618676080640. Its totient is φ = 16485582537216.

The previous prime is 21230200231309. The next prime is 21230200231423. The reversal of 21230200231331 is 13313200203212.

It is not a de Polignac number, because 21230200231331 - 2¹⁰ = 21230200230307 is a prime.

It is a super-2 number, since 2×21230200231331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21230200231297 and 21230200231306.

It is not an unprimeable number, because it can be changed into a prime (21230200236331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7641206 + ... + 10042331.

It is an arithmetic number, because the mean of its divisors is an integer number (831833627520).

Almost surely, 2^{21230200231331} is an apocalyptic number.

21230200231331 is a deficient number, since it is larger than the sum of its proper divisors (5388475849309).

21230200231331 is a wasteful number, since it uses less digits than its factorization.

21230200231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17683803.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21230200231331 its reverse (13313200203212), we get a palindrome (34543400434543).

The spelling of 21230200231331 in words is "twenty-one trillion, two hundred thirty billion, two hundred million, two hundred thirty-one thousand, three hundred thirty-one".