316631342 has 4 divisors (see below), whose sum is σ = 474947016. Its totient is φ = 158315670.

The previous prime is 316631327. The next prime is 316631369. The reversal of 316631342 is 243136613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243136613 = 6763 ⋅35951.

It is a congruent 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 as a sum of consecutive naturals, namely, 79157834 + ... + 79157837.

It is an arithmetic number, because the mean of its divisors is an integer number (118736754).

Almost surely, 2^316631342 is an apocalyptic number.

316631342 is a deficient number, since it is larger than the sum of its proper divisors (158315674).

316631342 is a wasteful number, since it uses less digits than its factorization.

316631342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158315673.

The product of its digits is 7776, while the sum is 29.

The square root of 316631342 is about 17794.1378549229. The cubic root of 316631342 is about 681.5817718842.

Adding to 316631342 its reverse (243136613), we get a palindrome (559767955).

The spelling of 316631342 in words is "three hundred sixteen million, six hundred thirty-one thousand, three hundred forty-two".