312552346 has 4 divisors (see below), whose sum is σ = 468828522. Its totient is φ = 156276172.

The previous prime is 312552341. The next prime is 312552403. The reversal of 312552346 is 643255213.

It is a happy number.

312552346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 179265321 + 133287025 = 13389^2 + 11545^2 .

It is not an unprimeable number, because it can be changed into a prime (312552341) 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 as a sum of consecutive naturals, namely, 78138085 + ... + 78138088.

Almost surely, 2^312552346 is an apocalyptic number.

312552346 is a deficient number, since it is larger than the sum of its proper divisors (156276176).

312552346 is a wasteful number, since it uses less digits than its factorization.

312552346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156276175.

The product of its digits is 21600, while the sum is 31.

The square root of 312552346 is about 17679.1500361301. The cubic root of 312552346 is about 678.6422924078.

The spelling of 312552346 in words is "three hundred twelve million, five hundred fifty-two thousand, three hundred forty-six".