21313331330001 has 32 divisors (see below), whose sum is σ = 30272826366720. Its totient is φ = 13291568941056.

The previous prime is 21313331329897. The next prime is 21313331330017. The reversal of 21313331330001 is 10003313331312.

It is not a de Polignac number, because 21313331330001 - 2¹⁸ = 21313331067857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21313331330801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82392075 + ... + 82650351.

It is an arithmetic number, because the mean of its divisors is an integer number (946025823960).

Almost surely, 2^{21313331330001} is an apocalyptic number.

It is an amenable number.

21313331330001 is a deficient number, since it is larger than the sum of its proper divisors (8959495036719).

21313331330001 is a wasteful number, since it uses less digits than its factorization.

21313331330001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268153.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 21313331330001 its reverse (10003313331312), we get a palindrome (31316644661313).

The spelling of 21313331330001 in words is "twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, three hundred thirty thousand, one".