312302330 has 16 divisors (see below), whose sum is σ = 575855784. Its totient is φ = 121873920.

The previous prime is 312302329. The next prime is 312302369. The reversal of 312302330 is 33203213.

It can be written as a sum of positive squares in 4 ways, for example, as 86731969 + 225570361 = 9313^2 + 15019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312302299 and 312302308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380447 + ... + 381266.

Almost surely, 2^312302330 is an apocalyptic number.

312302330 is a deficient number, since it is larger than the sum of its proper divisors (263553454).

312302330 is a wasteful number, since it uses less digits than its factorization.

312302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761761.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 312302330 is about 17672.0776933557. The cubic root of 312302330 is about 678.4612915881.

Adding to 312302330 its reverse (33203213), we get a palindrome (345505543).

The spelling of 312302330 in words is "three hundred twelve million, three hundred two thousand, three hundred thirty".