731113401 has 4 divisors (see below), whose sum is σ = 974817872. Its totient is φ = 487408932.

The previous prime is 731113399. The next prime is 731113421. The reversal of 731113401 is 104311137.

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 not a de Polignac number, because 731113401 - 2¹ = 731113399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731113421) 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 3 ways as a sum of consecutive naturals, for example, 121852231 + ... + 121852236.

It is an arithmetic number, because the mean of its divisors is an integer number (243704468).

Almost surely, 2^731113401 is an apocalyptic number.

It is an amenable number.

731113401 is a deficient number, since it is larger than the sum of its proper divisors (243704471).

731113401 is a wasteful number, since it uses less digits than its factorization.

731113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243704470.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 731113401 is about 27039.1087316132. The cubic root of 731113401 is about 900.8688732527.

Adding to 731113401 its reverse (104311137), we get a palindrome (835424538).

The spelling of 731113401 in words is "seven hundred thirty-one million, one hundred thirteen thousand, four hundred one".