13056231163 has 4 divisors (see below), whose sum is σ = 13056909048. Its totient is φ = 13055553280.

The previous prime is 13056231131. The next prime is 13056231173. The reversal of 13056231163 is 36113265031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36113265031 = 12251 ⋅2947781.

It is a cyclic number.

It is not a de Polignac number, because 13056231163 - 2⁵ = 13056231131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13056231103) 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, 309181 + ... + 348862.

It is an arithmetic number, because the mean of its divisors is an integer number (3264227262).

Almost surely, 2^13056231163 is an apocalyptic number.

13056231163 is a deficient number, since it is larger than the sum of its proper divisors (677885).

13056231163 is an equidigital number, since it uses as much as digits as its factorization.

13056231163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677884.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 13056231163 its reverse (36113265031), we get a palindrome (49169496194).

The spelling of 13056231163 in words is "thirteen billion, fifty-six million, two hundred thirty-one thousand, one hundred sixty-three".