7131323 has 2 divisors, whose sum is σ = 7131324. Its totient is φ = 7131322.

The previous prime is 7131301. The next prime is 7131329. The reversal of 7131323 is 3231317.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7131323 - 2⁶ = 7131259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7131295 and 7131304.

It is not a weakly prime, because it can be changed into another prime (7131329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565661 + 3565662.

It is an arithmetic number, because the mean of its divisors is an integer number (3565662).

Almost surely, 2^7131323 is an apocalyptic number.

7131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

7131323 is an equidigital number, since it uses as much as digits as its factorization.

7131323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 20.

The square root of 7131323 is about 2670.4537067697. The cubic root of 7131323 is about 192.4819615413.

The spelling of 7131323 in words is "seven million, one hundred thirty-one thousand, three hundred twenty-three".