312404342 has 16 divisors (see below), whose sum is σ = 496966752. Its totient is φ = 146778240.

The previous prime is 312404321. The next prime is 312404381. The reversal of 312404342 is 243404213.

It is a congruent number.

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, 15167 + ... + 29237.

It is an arithmetic number, because the mean of its divisors is an integer number (31060422).

Almost surely, 2^312404342 is an apocalyptic number.

312404342 is a deficient number, since it is larger than the sum of its proper divisors (184562410).

312404342 is a wasteful number, since it uses less digits than its factorization.

312404342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14743.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 312404342 is about 17674.9637057619. The cubic root of 312404342 is about 678.5351555464.

Adding to 312404342 its reverse (243404213), we get a palindrome (555808555).

The spelling of 312404342 in words is "three hundred twelve million, four hundred four thousand, three hundred forty-two".