13021032319 has 4 divisors (see below), whose sum is σ = 13027567696. Its totient is φ = 13014496944.

The previous prime is 13021032313. The next prime is 13021032379. The reversal of 13021032319 is 91323012031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91323012031 = 70139 ⋅1302029.

It is a cyclic number.

It is not a de Polignac number, because 13021032319 - 2¹⁷ = 13020901247 is a prime.

It is a super-2 number, since 2×13021032319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021032293 and 13021032302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021032313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264699 + ... + 3268684.

It is an arithmetic number, because the mean of its divisors is an integer number (3256891924).

Almost surely, 2^13021032319 is an apocalyptic number.

13021032319 is a deficient number, since it is larger than the sum of its proper divisors (6535377).

13021032319 is an equidigital number, since it uses as much as digits as its factorization.

13021032319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535376.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 13021032319 in words is "thirteen billion, twenty-one million, thirty-two thousand, three hundred nineteen".