21313132001 has 8 divisors (see below), whose sum is σ = 24362042880. Its totient is φ = 18265265568.

The previous prime is 21313131911. The next prime is 21313132007. The reversal of 21313132001 is 10023131312.

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

It is a cyclic number.

It is not a de Polignac number, because 21313132001 - 2¹⁰ = 21313130977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21313132007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216881 + ... + 299438.

It is an arithmetic number, because the mean of its divisors is an integer number (3045255360).

Almost surely, 2^21313132001 is an apocalyptic number.

It is an amenable number.

21313132001 is a deficient number, since it is larger than the sum of its proper divisors (3048910879).

21313132001 is an equidigital number, since it uses as much as digits as its factorization.

21313132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522223.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21313132001 its reverse (10023131312), we get a palindrome (31336263313).

The spelling of 21313132001 in words is "twenty-one billion, three hundred thirteen million, one hundred thirty-two thousand, one".