312404134 has 16 divisors (see below), whose sum is σ = 537247008. Its totient is φ = 133463232.

The previous prime is 312404129. The next prime is 312404149. The reversal of 312404134 is 431404213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30759 + ... + 39634.

It is an arithmetic number, because the mean of its divisors is an integer number (33577938).

Almost surely, 2^312404134 is an apocalyptic number.

312404134 is a deficient number, since it is larger than the sum of its proper divisors (224842874).

312404134 is a wasteful number, since it uses less digits than its factorization.

312404134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70719.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 312404134 is about 17674.9578217319. The cubic root of 312404134 is about 678.5350049559.

Adding to 312404134 its reverse (431404213), we get a palindrome (743808347).

The spelling of 312404134 in words is "three hundred twelve million, four hundred four thousand, one hundred thirty-four".