21233010331 has 8 divisors (see below), whose sum is σ = 22874917184. Its totient is φ = 19592331840.

The previous prime is 21233010317. The next prime is 21233010367. The reversal of 21233010331 is 13301033212.

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 21233010331 - 2²⁵ = 21199455899 is a prime.

It is a super-2 number, since 2×21233010331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21233010299 and 21233010308.

It is not an unprimeable number, because it can be changed into a prime (21233010731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271026 + ... + 340471.

It is an arithmetic number, because the mean of its divisors is an integer number (2859364648).

Almost surely, 2^21233010331 is an apocalyptic number.

21233010331 is a deficient number, since it is larger than the sum of its proper divisors (1641906853).

21233010331 is a wasteful number, since it uses less digits than its factorization.

21233010331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614181.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21233010331 its reverse (13301033212), we get a palindrome (34534043543).

The spelling of 21233010331 in words is "twenty-one billion, two hundred thirty-three million, ten thousand, three hundred thirty-one".