13143232291 has 32 divisors (see below), whose sum is σ = 15622963200. Its totient is φ = 10825570080.

The previous prime is 13143232261. The next prime is 13143232307. The reversal of 13143232291 is 19223234131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13143232291 - 2¹⁷ = 13143101219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13143232261) 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 31 ways as a sum of consecutive naturals, for example, 3358626 + ... + 3362536.

It is an arithmetic number, because the mean of its divisors is an integer number (488217600).

Almost surely, 2^13143232291 is an apocalyptic number.

13143232291 is a deficient number, since it is larger than the sum of its proper divisors (2479730909).

13143232291 is a wasteful number, since it uses less digits than its factorization.

13143232291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its digits is 7776, while the sum is 31.

The spelling of 13143232291 in words is "thirteen billion, one hundred forty-three million, two hundred thirty-two thousand, two hundred ninety-one".