21313330320010 has 8 divisors (see below), whose sum is σ = 38363994576036. Its totient is φ = 8525332128000.

The previous prime is 21313330319923. The next prime is 21313330320097. The reversal of 21313330320010 is 1002303331312.

It is an interprime number because it is at equal distance from previous prime (21313330319923) and next prime (21313330320097).

It can be written as a sum of positive squares in 2 ways, for example, as 21056176867401 + 257153452609 = 4588701^2 + 507103^2 .

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

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, 1065666515991 + ... + 1065666516010.

Almost surely, 2^{21313330320010} is an apocalyptic number.

21313330320010 is a deficient number, since it is larger than the sum of its proper divisors (17050664256026).

21313330320010 is a wasteful number, since it uses less digits than its factorization.

21313330320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131333032008.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21313330320010 its reverse (1002303331312), we get a palindrome (22315633651322).

The spelling of 21313330320010 in words is "twenty-one trillion, three hundred thirteen billion, three hundred thirty million, three hundred twenty thousand, ten".