316330613645 has 4 divisors (see below), whose sum is σ = 379596736380. Its totient is φ = 253064490912.

The previous prime is 316330613609. The next prime is 316330613653. The reversal of 316330613645 is 546316033613.

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 211029065641 + 105301548004 = 459379^2 + 324502^2 .

It is a cyclic number.

It is not a de Polignac number, because 316330613645 - 2¹⁰ = 316330612621 is a prime.

It is a super-3 number, since 3×316330613645³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31633061360 + ... + 31633061369.

It is an arithmetic number, because the mean of its divisors is an integer number (94899184095).

Almost surely, 2^316330613645 is an apocalyptic number.

It is an amenable number.

316330613645 is a deficient number, since it is larger than the sum of its proper divisors (63266122735).

316330613645 is an equidigital number, since it uses as much as digits as its factorization.

316330613645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63266122734.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 316330613645 in words is "three hundred sixteen billion, three hundred thirty million, six hundred thirteen thousand, six hundred forty-five".