316040155 has 4 divisors (see below), whose sum is σ = 379248192. Its totient is φ = 252832120.

The previous prime is 316040147. The next prime is 316040189. The reversal of 316040155 is 551040613.

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

It is not a de Polignac number, because 316040155 - 2³ = 316040147 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 31604011 + ... + 31604020.

It is an arithmetic number, because the mean of its divisors is an integer number (94812048).

Almost surely, 2^316040155 is an apocalyptic number.

316040155 is a deficient number, since it is larger than the sum of its proper divisors (63208037).

316040155 is an equidigital number, since it uses as much as digits as its factorization.

316040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63208036.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 316040155 is about 17777.5182463695. The cubic root of 316040155 is about 681.1573105104.

Adding to 316040155 its reverse (551040613), we get a palindrome (867080768).

The spelling of 316040155 in words is "three hundred sixteen million, forty thousand, one hundred fifty-five".