13120163143 has 4 divisors (see below), whose sum is σ = 13151327848. Its totient is φ = 13088998440.

The previous prime is 13120163141. The next prime is 13120163149. The reversal of 13120163143 is 34136102131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13120163143 - 2¹ = 13120163141 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 (13120163141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15581721 + ... + 15582562.

It is an arithmetic number, because the mean of its divisors is an integer number (3287831962).

Almost surely, 2^13120163143 is an apocalyptic number.

13120163143 is a deficient number, since it is larger than the sum of its proper divisors (31164705).

13120163143 is an equidigital number, since it uses as much as digits as its factorization.

13120163143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31164704.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13120163143 its reverse (34136102131), we get a palindrome (47256265274).

The spelling of 13120163143 in words is "thirteen billion, one hundred twenty million, one hundred sixty-three thousand, one hundred forty-three".