13021352231 has 8 divisors (see below), whose sum is σ = 13056185184. Its totient is φ = 12986542080.

The previous prime is 13021352219. The next prime is 13021352233. The reversal of 13021352231 is 13225312031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13021352231 - 2³⁰ = 11947610407 is a prime.

It is a super-2 number, since 2×13021352231² (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 = 13021352197 and 13021352206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021352233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353190 + ... + 2358716.

It is an arithmetic number, because the mean of its divisors is an integer number (1632023148).

Almost surely, 2^13021352231 is an apocalyptic number.

13021352231 is a deficient number, since it is larger than the sum of its proper divisors (34832953).

13021352231 is an equidigital number, since it uses as much as digits as its factorization.

13021352231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13021352231 its reverse (13225312031), we get a palindrome (26246664262).

The spelling of 13021352231 in words is "thirteen billion, twenty-one million, three hundred fifty-two thousand, two hundred thirty-one".