713831 has 2 divisors, whose sum is σ = 713832. Its totient is φ = 713830.

The previous prime is 713827. The next prime is 713833. The reversal of 713831 is 138317.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 713831 - 2² = 713827 is a prime.

It is a super-2 number, since 2×713831² = 1019109393122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 713833, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 713797 and 713806.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 713831.

It is not a weakly prime, because it can be changed into another prime (713833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356915 + 356916.

It is an arithmetic number, because the mean of its divisors is an integer number (356916).

2⁷¹³⁸³¹ is an apocalyptic number.

713831 is a deficient number, since it is larger than the sum of its proper divisors (1).

713831 is an equidigital number, since it uses as much as digits as its factorization.

713831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 713831 is about 844.8851993022. The cubic root of 713831 is about 89.3713808501.

The spelling of 713831 in words is "seven hundred thirteen thousand, eight hundred thirty-one".