316351144145506 has 4 divisors (see below), whose sum is σ = 474526716218262. Its totient is φ = 158175572072752.

The previous prime is 316351144145437. The next prime is 316351144145527. The reversal of 316351144145506 is 605541441153613.

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

It can be written as a sum of positive squares in only one way, i.e., 168037839369481 + 148313304776025 = 12962941^2 + 12178395^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316351144145506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79087786036375 + ... + 79087786036378.

Almost surely, 2^{316351144145506} is an apocalyptic number.

316351144145506 is a deficient number, since it is larger than the sum of its proper divisors (158175572072756).

316351144145506 is a wasteful number, since it uses less digits than its factorization.

316351144145506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158175572072755.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 316351144145506 in words is "three hundred sixteen trillion, three hundred fifty-one billion, one hundred forty-four million, one hundred forty-five thousand, five hundred six".