21332230310 has 8 divisors (see below), whose sum is σ = 38398014576. Its totient is φ = 8532892120.

The previous prime is 21332230303. The next prime is 21332230331. The reversal of 21332230310 is 1303223312.

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

It is a super-2 number, since 2×21332230310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066611506 + ... + 1066611525.

It is an arithmetic number, because the mean of its divisors is an integer number (4799751822).

Almost surely, 2^21332230310 is an apocalyptic number.

21332230310 is a deficient number, since it is larger than the sum of its proper divisors (17065784266).

21332230310 is a wasteful number, since it uses less digits than its factorization.

21332230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133223038.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21332230310 its reverse (1303223312), we get a palindrome (22635453622).

The spelling of 21332230310 in words is "twenty-one billion, three hundred thirty-two million, two hundred thirty thousand, three hundred ten".