731347127113 has 4 divisors (see below), whose sum is σ = 731349129168. Its totient is φ = 731345125060.

The previous prime is 731347127099. The next prime is 731347127143. The reversal of 731347127113 is 311721743137.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311721743137 = 7 ⋅44531677591.

It is a cyclic number.

It is not a de Polignac number, because 731347127113 - 2⁵ = 731347127081 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731347127143) 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, 279931 + ... + 1241392.

It is an arithmetic number, because the mean of its divisors is an integer number (182837282292).

Almost surely, 2^731347127113 is an apocalyptic number.

It is an amenable number.

731347127113 is a deficient number, since it is larger than the sum of its proper divisors (2002055).

731347127113 is a wasteful number, since it uses less digits than its factorization.

731347127113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002054.

The product of its digits is 74088, while the sum is 40.

The spelling of 731347127113 in words is "seven hundred thirty-one billion, three hundred forty-seven million, one hundred twenty-seven thousand, one hundred thirteen".