316321087387 has 16 divisors (see below), whose sum is σ = 329134752000. Its totient is φ = 303639274624.

The previous prime is 316321087367. The next prime is 316321087429. The reversal of 316321087387 is 783780123613.

It is a cyclic number.

It is not a de Polignac number, because 316321087387 - 2⁷ = 316321087259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316321087387.

It is not an unprimeable number, because it can be changed into a prime (316321087307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3694353 + ... + 3779005.

It is an arithmetic number, because the mean of its divisors is an integer number (20570922000).

Almost surely, 2^316321087387 is an apocalyptic number.

316321087387 is a deficient number, since it is larger than the sum of its proper divisors (12813664613).

316321087387 is a wasteful number, since it uses less digits than its factorization.

316321087387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85430.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 316321087387 in words is "three hundred sixteen billion, three hundred twenty-one million, eighty-seven thousand, three hundred eighty-seven".