316087369 has 4 divisors (see below), whose sum is σ = 340401796. Its totient is φ = 291772944.

The previous prime is 316087351. The next prime is 316087381. The reversal of 316087369 is 963780613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71571600 + 244515769 = 8460^2 + 15637^2 .

It is a cyclic number.

It is not a de Polignac number, because 316087369 - 2¹⁹ = 315563081 is a prime.

It is a super-2 number, since 2×316087369² = 199822449682684322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316087319) 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, 12157194 + ... + 12157219.

It is an arithmetic number, because the mean of its divisors is an integer number (85100449).

Almost surely, 2^316087369 is an apocalyptic number.

It is an amenable number.

316087369 is a deficient number, since it is larger than the sum of its proper divisors (24314427).

316087369 is a wasteful number, since it uses less digits than its factorization.

316087369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24314426.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 316087369 is about 17778.8461099139. The cubic root of 316087369 is about 681.1912287318.

The spelling of 316087369 in words is "three hundred sixteen million, eighty-seven thousand, three hundred sixty-nine".