312311836 has 6 divisors (see below), whose sum is σ = 546545720. Its totient is φ = 156155916.

The previous prime is 312311833. The next prime is 312311837. The reversal of 312311836 is 638113213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312311833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39038976 + ... + 39038983.

Almost surely, 2^312311836 is an apocalyptic number.

It is an amenable number.

312311836 is a deficient number, since it is larger than the sum of its proper divisors (234233884).

312311836 is a wasteful number, since it uses less digits than its factorization.

312311836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78077963 (or 78077961 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 312311836 is about 17672.3466466681. The cubic root of 312311836 is about 678.4681752891.

The spelling of 312311836 in words is "three hundred twelve million, three hundred eleven thousand, eight hundred thirty-six".