21031322133310 has 8 divisors (see below), whose sum is σ = 37856379839976. Its totient is φ = 8412528853320.

The previous prime is 21031322133299. The next prime is 21031322133323. The reversal of 21031322133310 is 1333122313012.

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

It is a super-2 number, since 2×21031322133310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051566106656 + ... + 1051566106675.

It is an arithmetic number, because the mean of its divisors is an integer number (4732047479997).

Almost surely, 2^{21031322133310} is an apocalyptic number.

21031322133310 is a deficient number, since it is larger than the sum of its proper divisors (16825057706666).

21031322133310 is a wasteful number, since it uses less digits than its factorization.

21031322133310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103132213338.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21031322133310 its reverse (1333122313012), we get a palindrome (22364444446322).

The spelling of 21031322133310 in words is "twenty-one trillion, thirty-one billion, three hundred twenty-two million, one hundred thirty-three thousand, three hundred ten".