312330434 has 16 divisors (see below), whose sum is σ = 505847160. Its totient is φ = 143777280.

The previous prime is 312330419. The next prime is 312330437. The reversal of 312330434 is 434033213.

It can be written as a sum of positive squares in 4 ways, for example, as 259113409 + 53217025 = 16097^2 + 7295^2 .

It is not an unprimeable number, because it can be changed into a prime (312330437) 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 in 7 ways as a sum of consecutive naturals, for example, 5327 + ... + 25554.

Almost surely, 2^312330434 is an apocalyptic number.

312330434 is a deficient number, since it is larger than the sum of its proper divisors (193516726).

312330434 is a wasteful number, since it uses less digits than its factorization.

312330434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31285.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 312330434 is about 17672.8728281511. The cubic root of 312330434 is about 678.4816424921.

Adding to 312330434 its reverse (434033213), we get a palindrome (746363647).

The spelling of 312330434 in words is "three hundred twelve million, three hundred thirty thousand, four hundred thirty-four".