312320332 has 6 divisors (see below), whose sum is σ = 546560588. Its totient is φ = 156160164.

The previous prime is 312320321. The next prime is 312320341. The reversal of 312320332 is 233023213.

It is a happy number.

It is an unprimeable number.

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, 39040038 + ... + 39040045.

Almost surely, 2^312320332 is an apocalyptic number.

It is an amenable number.

312320332 is a deficient number, since it is larger than the sum of its proper divisors (234240256).

312320332 is a wasteful number, since it uses less digits than its factorization.

312320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080087 (or 78080085 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 312320332 is about 17672.5870205808. The cubic root of 312320332 is about 678.4743274877.

Adding to 312320332 its reverse (233023213), we get a palindrome (545343545).

The spelling of 312320332 in words is "three hundred twelve million, three hundred twenty thousand, three hundred thirty-two".