316240504385 has 8 divisors (see below), whose sum is σ = 408680036520. Its totient is φ = 233531449344.

The previous prime is 316240504351. The next prime is 316240504417. The reversal of 316240504385 is 583405042613.

It can be written as a sum of positive squares in 4 ways, for example, as 14123183281 + 302117321104 = 118841^2 + 549652^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316240504385 is a prime.

It is a super-2 number, since 2×316240504385² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2432619200 + ... + 2432619329.

It is an arithmetic number, because the mean of its divisors is an integer number (51085004565).

Almost surely, 2^316240504385 is an apocalyptic number.

It is an amenable number.

316240504385 is a deficient number, since it is larger than the sum of its proper divisors (92439532135).

316240504385 is a wasteful number, since it uses less digits than its factorization.

316240504385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865238547.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 316240504385 its reverse (583405042613), we get a palindrome (899645546998).

The spelling of 316240504385 in words is "three hundred sixteen billion, two hundred forty million, five hundred four thousand, three hundred eighty-five".