13443514231 has 8 divisors (see below), whose sum is σ = 15738748704. Its totient is φ = 11241962880.

The previous prime is 13443514229. The next prime is 13443514267. The reversal of 13443514231 is 13241534431.

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 13443514231 - 2¹ = 13443514229 is a prime.

It is a super-2 number, since 2×13443514231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13443514193 and 13443514202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443514291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23420470 + ... + 23421043.

It is an arithmetic number, because the mean of its divisors is an integer number (1967343588).

Almost surely, 2^13443514231 is an apocalyptic number.

13443514231 is a deficient number, since it is larger than the sum of its proper divisors (2295234473).

13443514231 is an equidigital number, since it uses as much as digits as its factorization.

13443514231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46841561.

The product of its digits is 17280, while the sum is 31.

The spelling of 13443514231 in words is "thirteen billion, four hundred forty-three million, five hundred fourteen thousand, two hundred thirty-one".