316631012 has 24 divisors (see below), whose sum is σ = 564299904. Its totient is φ = 155418912.

The previous prime is 316631011. The next prime is 316631027. The reversal of 316631012 is 210136613.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (316631011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83093 + ... + 86819.

It is an arithmetic number, because the mean of its divisors is an integer number (23512496).

Almost surely, 2^316631012 is an apocalyptic number.

It is an amenable number.

316631012 is a deficient number, since it is larger than the sum of its proper divisors (247668892).

316631012 is a wasteful number, since it uses less digits than its factorization.

316631012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 316631012 is about 17794.1285822037. The cubic root of 316631012 is about 681.5815350977.

Adding to 316631012 its reverse (210136613), we get a palindrome (526767625).

The spelling of 316631012 in words is "three hundred sixteen million, six hundred thirty-one thousand, twelve".