312514313 has 4 divisors (see below), whose sum is σ = 313730580. Its totient is φ = 311298048.

The previous prime is 312514303. The next prime is 312514343. The reversal of 312514313 is 313415213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 176278729 + 136235584 = 13277^2 + 11672^2 .

It is a cyclic number.

It is not a de Polignac number, because 312514313 - 2¹⁸ = 312252169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312514303) 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, 607748 + ... + 608261.

It is an arithmetic number, because the mean of its divisors is an integer number (78432645).

Almost surely, 2^312514313 is an apocalyptic number.

It is an amenable number.

312514313 is a deficient number, since it is larger than the sum of its proper divisors (1216267).

312514313 is a wasteful number, since it uses less digits than its factorization.

312514313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216266.

The product of its digits is 1080, while the sum is 23.

The square root of 312514313 is about 17678.0743578027. The cubic root of 312514313 is about 678.6147643797.

Adding to 312514313 its reverse (313415213), we get a palindrome (625929526).

The spelling of 312514313 in words is "three hundred twelve million, five hundred fourteen thousand, three hundred thirteen".