313145450 has 48 divisors (see below), whose sum is σ = 598756320. Its totient is φ = 121800000.

The previous prime is 313145447. The next prime is 313145507. The reversal of 313145450 is 54541313.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 297425 + ... + 298475.

It is an arithmetic number, because the mean of its divisors is an integer number (12474090).

Almost surely, 2^313145450 is an apocalyptic number.

313145450 is a deficient number, since it is larger than the sum of its proper divisors (285610870).

313145450 is a wasteful number, since it uses less digits than its factorization.

313145450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1218 counting only the distinct ones).

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

The square root of 313145450 is about 17695.9161955520. The cubic root of 313145450 is about 679.0712884158.

Adding to 313145450 its reverse (54541313), we get a palindrome (367686763).

The spelling of 313145450 in words is "three hundred thirteen million, one hundred forty-five thousand, four hundred fifty".