316157273 has 8 divisors (see below), whose sum is σ = 324101736. Its totient is φ = 308224000.

The previous prime is 316157269. The next prime is 316157293. The reversal of 316157273 is 372751613.

It can be written as a sum of positive squares in 4 ways, for example, as 42354064 + 273803209 = 6508^2 + 16547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316157273 - 2² = 316157269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316157263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111473 + ... + 114273.

It is an arithmetic number, because the mean of its divisors is an integer number (40512717).

Almost surely, 2^316157273 is an apocalyptic number.

It is an amenable number.

316157273 is a deficient number, since it is larger than the sum of its proper divisors (7944463).

316157273 is a wasteful number, since it uses less digits than its factorization.

316157273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595.

The product of its digits is 26460, while the sum is 35.

The square root of 316157273 is about 17780.8119330924. The cubic root of 316157273 is about 681.2414410955.

The spelling of 316157273 in words is "three hundred sixteen million, one hundred fifty-seven thousand, two hundred seventy-three".