313130273 has 2 divisors, whose sum is σ = 313130274. Its totient is φ = 313130272.

The previous prime is 313130269. The next prime is 313130333. The reversal of 313130273 is 372031313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312829969 + 300304 = 17687^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 313130273 - 2² = 313130269 is a prime.

It is not a weakly prime, because it can be changed into another prime (313030273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156565136 + 156565137.

It is an arithmetic number, because the mean of its divisors is an integer number (156565137).

Almost surely, 2^313130273 is an apocalyptic number.

It is an amenable number.

313130273 is a deficient number, since it is larger than the sum of its proper divisors (1).

313130273 is an equidigital number, since it uses as much as digits as its factorization.

313130273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 313130273 is about 17695.4873626018. The cubic root of 313130273 is about 679.0603175486.

Adding to 313130273 its reverse (372031313), we get a palindrome (685161586).

The spelling of 313130273 in words is "three hundred thirteen million, one hundred thirty thousand, two hundred seventy-three".