312136104 has 64 divisors (see below), whose sum is σ = 938764800. Its totient is φ = 84487104.

The previous prime is 312136091. The next prime is 312136109. The reversal of 312136104 is 401631213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (312136109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45702 + ... + 52085.

It is an arithmetic number, because the mean of its divisors is an integer number (14668200).

Almost surely, 2^312136104 is an apocalyptic number.

It is an amenable number.

312136104 is an abundant number, since it is smaller than the sum of its proper divisors (626628696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312136104 is a wasteful number, since it uses less digits than its factorization.

312136104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97822 (or 97818 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 312136104 is about 17667.3739984187. The cubic root of 312136104 is about 678.3408976506.

Adding to 312136104 its reverse (401631213), we get a palindrome (713767317).

The spelling of 312136104 in words is "three hundred twelve million, one hundred thirty-six thousand, one hundred four".