312420314 has 4 divisors (see below), whose sum is σ = 468630474. Its totient is φ = 156210156.

The previous prime is 312420313. The next prime is 312420331. The reversal of 312420314 is 413024213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 17783089 = 17165^2 + 4217^2 .

It is not an unprimeable number, because it can be changed into a prime (312420313) by changing a digit.

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 as a sum of consecutive naturals, namely, 78105077 + ... + 78105080.

Almost surely, 2^312420314 is an apocalyptic number.

312420314 is a deficient number, since it is larger than the sum of its proper divisors (156210160).

312420314 is a wasteful number, since it uses less digits than its factorization.

312420314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156210159.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 312420314 is about 17675.4155255258. The cubic root of 312420314 is about 678.5467189567.

Adding to 312420314 its reverse (413024213), we get a palindrome (725444527).

The spelling of 312420314 in words is "three hundred twelve million, four hundred twenty thousand, three hundred fourteen".