13030321819 has 2 divisors, whose sum is σ = 13030321820. Its totient is φ = 13030321818.

The previous prime is 13030321781. The next prime is 13030321831. The reversal of 13030321819 is 91812303031.

It is a strong prime.

It is an emirp because it is prime and its reverse (91812303031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13030321819 is a prime.

It is a super-2 number, since 2×13030321819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13030321849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515160909 + 6515160910.

It is an arithmetic number, because the mean of its divisors is an integer number (6515160910).

Almost surely, 2^13030321819 is an apocalyptic number.

13030321819 is a deficient number, since it is larger than the sum of its proper divisors (1).

13030321819 is an equidigital number, since it uses as much as digits as its factorization.

13030321819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 13030321819 in words is "thirteen billion, thirty million, three hundred twenty-one thousand, eight hundred nineteen".