21313332313004 has 24 divisors (see below), whose sum is σ = 37375706135040. Its totient is φ = 10634581846224.

The previous prime is 21313332313003. The next prime is 21313332313051. The reversal of 21313332313004 is 40031323331312.

It is not an unprimeable number, because it can be changed into a prime (21313332313001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916157 + ... + 6592875.

It is an arithmetic number, because the mean of its divisors is an integer number (1557321088960).

Almost surely, 2^{21313332313004} is an apocalyptic number.

It is an amenable number.

21313332313004 is a deficient number, since it is larger than the sum of its proper divisors (16062373822036).

21313332313004 is a wasteful number, since it uses less digits than its factorization.

21313332313004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678669 (or 5678667 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21313332313004 its reverse (40031323331312), we get a palindrome (61344655644316).

The spelling of 21313332313004 in words is "twenty-one trillion, three hundred thirteen billion, three hundred thirty-two million, three hundred thirteen thousand, four".