21130341233 has 8 divisors (see below), whose sum is σ = 22376382048. Its totient is φ = 19884642624.

The previous prime is 21130341229. The next prime is 21130341283. The reversal of 21130341233 is 33214303112.

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 21130341233 - 2² = 21130341229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21130341199 and 21130341208.

It is not an unprimeable number, because it can be changed into a prime (21130341283) 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, 47510 + ... + 210992.

It is an arithmetic number, because the mean of its divisors is an integer number (2797047756).

Almost surely, 2^21130341233 is an apocalyptic number.

It is an amenable number.

21130341233 is a deficient number, since it is larger than the sum of its proper divisors (1246040815).

21130341233 is a wasteful number, since it uses less digits than its factorization.

21130341233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171103.

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

Adding to 21130341233 its reverse (33214303112), we get a palindrome (54344644345).

The spelling of 21130341233 in words is "twenty-one billion, one hundred thirty million, three hundred forty-one thousand, two hundred thirty-three".