313041545 has 4 divisors (see below), whose sum is σ = 375649860. Its totient is φ = 250433232.

The previous prime is 313041517. The next prime is 313041557. The reversal of 313041545 is 545140313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545140313 = 241 ⋅2261993.

It can be written as a sum of positive squares in 2 ways, for example, as 42406144 + 270635401 = 6512^2 + 16451^2 .

It is a cyclic number.

It is not a de Polignac number, because 313041545 - 2⁶ = 313041481 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 31304150 + ... + 31304159.

It is an arithmetic number, because the mean of its divisors is an integer number (93912465).

Almost surely, 2^313041545 is an apocalyptic number.

It is an amenable number.

313041545 is a deficient number, since it is larger than the sum of its proper divisors (62608315).

313041545 is an equidigital number, since it uses as much as digits as its factorization.

313041545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62608314.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 313041545 is about 17692.9801051151. The cubic root of 313041545 is about 678.9961724085.

Adding to 313041545 its reverse (545140313), we get a palindrome (858181858).

The spelling of 313041545 in words is "three hundred thirteen million, forty-one thousand, five hundred forty-five".