312943234 has 8 divisors (see below), whose sum is σ = 485601660. Its totient is φ = 151076016.

The previous prime is 312943231. The next prime is 312943247. The reversal of 312943234 is 432349213.

It can be written as a sum of positive squares in 2 ways, for example, as 297459009 + 15484225 = 17247^2 + 3935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 312943196 and 312943205.

It is not an unprimeable number, because it can be changed into a prime (312943231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697729 + ... + 2697844.

Almost surely, 2^312943234 is an apocalyptic number.

312943234 is a deficient number, since it is larger than the sum of its proper divisors (172658426).

312943234 is a wasteful number, since it uses less digits than its factorization.

312943234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395604.

The product of its digits is 15552, while the sum is 31.

The square root of 312943234 is about 17690.2016381951. The cubic root of 312943234 is about 678.9250851647.

The spelling of 312943234 in words is "three hundred twelve million, nine hundred forty-three thousand, two hundred thirty-four".