312114640 has 40 divisors (see below), whose sum is σ = 742550688. Its totient is φ = 121941120.

The previous prime is 312114629. The next prime is 312114643. The reversal of 312114640 is 46411213.

312114640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312114643) 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, 41926 + ... + 48805.

Almost surely, 2^312114640 is an apocalyptic number.

It is an amenable number.

312114640 is an abundant number, since it is smaller than the sum of its proper divisors (430436048).

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

312114640 is a wasteful number, since it uses less digits than its factorization.

312114640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90787 (or 90781 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 312114640 is about 17666.7665405982. The cubic root of 312114640 is about 678.3253486186.

Adding to 312114640 its reverse (46411213), we get a palindrome (358525853).

The spelling of 312114640 in words is "three hundred twelve million, one hundred fourteen thousand, six hundred forty".