303140313 has 48 divisors (see below), whose sum is σ = 529692800. Its totient is φ = 173175408.

The previous prime is 303140303. The next prime is 303140317. The reversal of 303140313 is 313041303.

It is not a de Polignac number, because 303140313 - 2⁶ = 303140249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303140317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81531 + ... + 85167.

Almost surely, 2^303140313 is an apocalyptic number.

It is an amenable number.

303140313 is a deficient number, since it is larger than the sum of its proper divisors (226552487).

303140313 is an frugal number, since it uses more digits than its factorization.

303140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 303140313 is about 17410.9251046577. The cubic root of 303140313 is about 671.7606569519.

Adding to 303140313 its reverse (313041303), we get a palindrome (616181616).

The spelling of 303140313 in words is "three hundred three million, one hundred forty thousand, three hundred thirteen".