312033340 has 12 divisors (see below), whose sum is σ = 655270056. Its totient is φ = 124813328.

The previous prime is 312033311. The next prime is 312033343. The reversal of 312033340 is 43330213.

312033340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312033343) 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 in 3 ways as a sum of consecutive naturals, for example, 7800814 + ... + 7800853.

It is an arithmetic number, because the mean of its divisors is an integer number (54605838).

Almost surely, 2^312033340 is an apocalyptic number.

It is an amenable number.

312033340 is an abundant number, since it is smaller than the sum of its proper divisors (343236716).

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

312033340 is a wasteful number, since it uses less digits than its factorization.

312033340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15601676 (or 15601674 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 312033340 is about 17664.4654603529. The cubic root of 312033340 is about 678.2664465008.

Adding to 312033340 its reverse (43330213), we get a palindrome (355363553).

It can be divided in two parts, 31203 and 3340, that added together give a palindrome (34543).

The spelling of 312033340 in words is "three hundred twelve million, thirty-three thousand, three hundred forty".