13173101281 has 4 divisors (see below), whose sum is σ = 13598040064. Its totient is φ = 12748162500.

The previous prime is 13173101267. The next prime is 13173101309. The reversal of 13173101281 is 18210137131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13173101281 is a prime.

It is a super-2 number, since 2×13173101281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13173101251) 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, 212469345 + ... + 212469406.

It is an arithmetic number, because the mean of its divisors is an integer number (3399510016).

Almost surely, 2^13173101281 is an apocalyptic number.

It is an amenable number.

13173101281 is a deficient number, since it is larger than the sum of its proper divisors (424938783).

13173101281 is an equidigital number, since it uses as much as digits as its factorization.

13173101281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424938782.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 13173101281 in words is "thirteen billion, one hundred seventy-three million, one hundred one thousand, two hundred eighty-one".