731113 has 2 divisors, whose sum is σ = 731114. Its totient is φ = 731112.

The previous prime is 731057. The next prime is 731117. The reversal of 731113 is 311137.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 304704 = 653^2 + 552^2 .

It is an emirp because it is prime and its reverse (311137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 731113 - 2¹³ = 722921 is a prime.

It is not a weakly prime, because it can be changed into another prime (731117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365556 + 365557.

It is an arithmetic number, because the mean of its divisors is an integer number (365557).

2⁷³¹¹¹³ is an apocalyptic number.

It is an amenable number.

731113 is a deficient number, since it is larger than the sum of its proper divisors (1).

731113 is an equidigital number, since it uses as much as digits as its factorization.

731113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63, while the sum is 16.

The square root of 731113 is about 855.0514604397. The cubic root of 731113 is about 90.0868708550.

The spelling of 731113 in words is "seven hundred thirty-one thousand, one hundred thirteen".