13231449151 has 4 divisors (see below), whose sum is σ = 13246468704. Its totient is φ = 13216429600.

The previous prime is 13231449139. The next prime is 13231449157. The reversal of 13231449151 is 15194413231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15194413231 = 73 ⋅208142647.

It is a cyclic number.

It is not a de Polignac number, because 13231449151 - 2²⁵ = 13197894719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231449157) 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, 7508455 + ... + 7510216.

It is an arithmetic number, because the mean of its divisors is an integer number (3311617176).

Almost surely, 2^13231449151 is an apocalyptic number.

13231449151 is a deficient number, since it is larger than the sum of its proper divisors (15019553).

13231449151 is an equidigital number, since it uses as much as digits as its factorization.

13231449151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15019552.

The product of its digits is 12960, while the sum is 34.

The spelling of 13231449151 in words is "thirteen billion, two hundred thirty-one million, four hundred forty-nine thousand, one hundred fifty-one".