312306352 has 40 divisors (see below), whose sum is σ = 628531200. Its totient is φ = 150219072.

The previous prime is 312306329. The next prime is 312306353. The reversal of 312306352 is 253603213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312306353) 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, 40849 + ... + 47887.

It is an arithmetic number, because the mean of its divisors is an integer number (15713280).

Almost surely, 2^312306352 is an apocalyptic number.

It is an amenable number.

312306352 is an abundant number, since it is smaller than the sum of its proper divisors (316224848).

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

312306352 is a wasteful number, since it uses less digits than its factorization.

312306352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153 (or 7147 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 312306352 is about 17672.1914883242. The cubic root of 312306352 is about 678.4642041073.

Adding to 312306352 its reverse (253603213), we get a palindrome (565909565).

The spelling of 312306352 in words is "three hundred twelve million, three hundred six thousand, three hundred fifty-two".