316550842 has 4 divisors (see below), whose sum is σ = 474826266. Its totient is φ = 158275420.

The previous prime is 316550831. The next prime is 316550893. The reversal of 316550842 is 248055613.

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., 281870521 + 34680321 = 16789^2 + 5889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316550798 and 316550807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79137709 + ... + 79137712.

Almost surely, 2^316550842 is an apocalyptic number.

316550842 is a deficient number, since it is larger than the sum of its proper divisors (158275424).

316550842 is a wasteful number, since it uses less digits than its factorization.

316550842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158275423.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 316550842 is about 17791.8757302315. The cubic root of 316550842 is about 681.5240054580.

The spelling of 316550842 in words is "three hundred sixteen million, five hundred fifty thousand, eight hundred forty-two".