313040330 has 16 divisors (see below), whose sum is σ = 577216584. Its totient is φ = 122161920.

The previous prime is 313040293. The next prime is 313040339. The reversal of 313040330 is 33040313.

313040330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 194295721 + 118744609 = 13939^2 + 10897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313040299 and 313040308.

It is not an unprimeable number, because it can be changed into a prime (313040339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381347 + ... + 382166.

Almost surely, 2^313040330 is an apocalyptic number.

313040330 is a deficient number, since it is larger than the sum of its proper divisors (264176254).

313040330 is a wasteful number, since it uses less digits than its factorization.

313040330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763561.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 313040330 is about 17692.9457694303. The cubic root of 313040330 is about 678.9952939506.

Subtracting from 313040330 its sum of digits (17), we obtain a palindrome (313040313).

Adding to 313040330 its reverse (33040313), we get a palindrome (346080643).

The spelling of 313040330 in words is "three hundred thirteen million, forty thousand, three hundred thirty".