21312230203001 has 8 divisors (see below), whose sum is σ = 22226522755584. Its totient is φ = 20412112728960.

The previous prime is 21312230202983. The next prime is 21312230203007. The reversal of 21312230203001 is 10030203221312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21312230203001 is a prime.

It is a super-2 number, since 2×21312230203001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21312230203007) 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 7 ways as a sum of consecutive naturals, for example, 3543766565 + ... + 3543772578.

It is an arithmetic number, because the mean of its divisors is an integer number (2778315344448).

Almost surely, 2^{21312230203001} is an apocalyptic number.

It is an amenable number.

21312230203001 is a deficient number, since it is larger than the sum of its proper divisors (914292552583).

21312230203001 is an equidigital number, since it uses as much as digits as its factorization.

21312230203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087539271.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21312230203001 its reverse (10030203221312), we get a palindrome (31342433424313).

The spelling of 21312230203001 in words is "twenty-one trillion, three hundred twelve billion, two hundred thirty million, two hundred three thousand, one".