21313100330948 has 12 divisors (see below), whose sum is σ = 37298003998332. Its totient is φ = 10656527760000.

The previous prime is 21313100330947. The next prime is 21313100330993. The reversal of 21313100330948 is 84903300131312.

It can be written as a sum of positive squares in 2 ways, for example, as 13076671004224 + 8236429326724 = 3616168^2 + 2869918^2 .

It is not an unprimeable number, because it can be changed into a prime (21313100330947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361553 + ... + 7343448.

It is an arithmetic number, because the mean of its divisors is an integer number (3108166999861).

Almost surely, 2^{21313100330948} is an apocalyptic number.

It is an amenable number.

21313100330948 is a deficient number, since it is larger than the sum of its proper divisors (15984903667384).

21313100330948 is a wasteful number, since it uses less digits than its factorization.

21313100330948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202742 (or 11202740 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 21313100330948 in words is "twenty-one trillion, three hundred thirteen billion, one hundred million, three hundred thirty thousand, nine hundred forty-eight".