13000313132021 has 4 divisors (see below), whose sum is σ = 13037778011712. Its totient is φ = 12962848252332.

The previous prime is 13000313132003. The next prime is 13000313132041. The reversal of 13000313132021 is 12023131300031.

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.

It is a cyclic number.

It is not a de Polignac number, because 13000313132021 - 2³⁴ = 12983133262837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13000313131984 and 13000313132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000313132041) 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, 18732439325 + ... + 18732440018.

It is an arithmetic number, because the mean of its divisors is an integer number (3259444502928).

Almost surely, 2^{13000313132021} is an apocalyptic number.

It is an amenable number.

13000313132021 is a deficient number, since it is larger than the sum of its proper divisors (37464879691).

13000313132021 is an equidigital number, since it uses as much as digits as its factorization.

13000313132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37464879690.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13000313132021 its reverse (12023131300031), we get a palindrome (25023444432052).

The spelling of 13000313132021 in words is "thirteen trillion, three hundred thirteen million, one hundred thirty-two thousand, twenty-one".