313142773 has 4 divisors (see below), whose sum is σ = 313210368. Its totient is φ = 313075180.

The previous prime is 313142761. The next prime is 313142777. The reversal of 313142773 is 377241313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 377241313 = 1609 ⋅234457.

It is a cyclic number.

It is not a de Polignac number, because 313142773 - 2⁵ = 313142741 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313142777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26293 + ... + 36298.

It is an arithmetic number, because the mean of its divisors is an integer number (78302592).

Almost surely, 2^313142773 is an apocalyptic number.

It is an amenable number.

313142773 is a deficient number, since it is larger than the sum of its proper divisors (67595).

313142773 is an equidigital number, since it uses as much as digits as its factorization.

313142773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67594.

The product of its digits is 10584, while the sum is 31.

The square root of 313142773 is about 17695.8405564698. The cubic root of 313142773 is about 679.0693533416.

The spelling of 313142773 in words is "three hundred thirteen million, one hundred forty-two thousand, seven hundred seventy-three".