13312020001 has 4 divisors (see below), whose sum is σ = 15213737152. Its totient is φ = 11410302852.

The previous prime is 13312019999. The next prime is 13312020019. The reversal of 13312020001 is 10002021331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10002021331 = 39217 ⋅255043.

It is a cyclic number.

It is not a de Polignac number, because 13312020001 - 2¹ = 13312019999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312020041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950858565 + ... + 950858578.

It is an arithmetic number, because the mean of its divisors is an integer number (3803434288).

Almost surely, 2^13312020001 is an apocalyptic number.

It is an amenable number.

13312020001 is a deficient number, since it is larger than the sum of its proper divisors (1901717151).

13312020001 is an equidigital number, since it uses as much as digits as its factorization.

13312020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901717150.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13312020001 its reverse (10002021331), we get a palindrome (23314041332).

The spelling of 13312020001 in words is "thirteen billion, three hundred twelve million, twenty thousand, one".