316140450365 has 4 divisors (see below), whose sum is σ = 379368540444. Its totient is φ = 252912360288.

The previous prime is 316140450347. The next prime is 316140450391. The reversal of 316140450365 is 563054041613.

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 48003933604 + 268136516761 = 219098^2 + 517819^2 .

It is a cyclic number.

It is not a de Polignac number, because 316140450365 - 2¹² = 316140446269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31614045032 + ... + 31614045041.

It is an arithmetic number, because the mean of its divisors is an integer number (94842135111).

Almost surely, 2^316140450365 is an apocalyptic number.

It is an amenable number.

316140450365 is a deficient number, since it is larger than the sum of its proper divisors (63228090079).

316140450365 is an equidigital number, since it uses as much as digits as its factorization.

316140450365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63228090078.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 316140450365 its reverse (563054041613), we get a palindrome (879194491978).

The spelling of 316140450365 in words is "three hundred sixteen billion, one hundred forty million, four hundred fifty thousand, three hundred sixty-five".