13030300001021 has 4 divisors (see below), whose sum is σ = 13048422811200. Its totient is φ = 13012177190844.

The previous prime is 13030300000903. The next prime is 13030300001023. The reversal of 13030300001021 is 12010000303031.

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 a de Polignac number, because none of the positive numbers 2^k-13030300001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13030300000987 and 13030300001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030300001023) 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, 9061404011 + ... + 9061405448.

It is an arithmetic number, because the mean of its divisors is an integer number (3262105702800).

Almost surely, 2^{13030300001021} is an apocalyptic number.

It is an amenable number.

13030300001021 is a deficient number, since it is larger than the sum of its proper divisors (18122810179).

13030300001021 is an equidigital number, since it uses as much as digits as its factorization.

13030300001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122810178.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13030300001021 its reverse (12010000303031), we get a palindrome (25040300304052).

The spelling of 13030300001021 in words is "thirteen trillion, thirty billion, three hundred million, one thousand, twenty-one".