312134453 has 4 divisors (see below), whose sum is σ = 322897740. Its totient is φ = 301371168.

The previous prime is 312134447. The next prime is 312134477. The reversal of 312134453 is 354431213.

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 245172964 + 66961489 = 15658^2 + 8183^2 .

It is a cyclic number.

It is not a de Polignac number, because 312134453 - 2⁸ = 312134197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312134423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381600 + ... + 5381657.

It is an arithmetic number, because the mean of its divisors is an integer number (80724435).

Almost surely, 2^312134453 is an apocalyptic number.

It is an amenable number.

312134453 is a deficient number, since it is larger than the sum of its proper divisors (10763287).

312134453 is a wasteful number, since it uses less digits than its factorization.

312134453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763286.

The product of its digits is 4320, while the sum is 26.

The square root of 312134453 is about 17667.3272738125. The cubic root of 312134453 is about 678.3397016522.

Adding to 312134453 its reverse (354431213), we get a palindrome (666565666).

The spelling of 312134453 in words is "three hundred twelve million, one hundred thirty-four thousand, four hundred fifty-three".