313020243 has 12 divisors (see below), whose sum is σ = 455176800. Its totient is φ = 207278736.

The previous prime is 313020241. The next prime is 313020289. The reversal of 313020243 is 342020313.

It is not a de Polignac number, because 313020243 - 2¹ = 313020241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313020241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115371 + ... + 118052.

It is an arithmetic number, because the mean of its divisors is an integer number (37931400).

Almost surely, 2^313020243 is an apocalyptic number.

313020243 is a deficient number, since it is larger than the sum of its proper divisors (142156557).

313020243 is a wasteful number, since it uses less digits than its factorization.

313020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233578 (or 233575 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 313020243 is about 17692.3781047094. The cubic root of 313020243 is about 678.9807705076.

Adding to 313020243 its reverse (342020313), we get a palindrome (655040556).

The spelling of 313020243 in words is "three hundred thirteen million, twenty thousand, two hundred forty-three".