313425640 has 32 divisors (see below), whose sum is σ = 769318560. Its totient is φ = 113972800.

The previous prime is 313425611. The next prime is 313425643. The reversal of 313425640 is 46524313.

It is a junction number, because it is equal to n+sod(n) for n = 313425599 and 313425608.

It is not an unprimeable number, because it can be changed into a prime (313425643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355726 + ... + 356605.

It is an arithmetic number, because the mean of its divisors is an integer number (24041205).

Almost surely, 2^313425640 is an apocalyptic number.

It is an amenable number.

313425640 is an abundant number, since it is smaller than the sum of its proper divisors (455892920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313425640 is a wasteful number, since it uses less digits than its factorization.

313425640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712353 (or 712349 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 313425640 is about 17703.8312237775. The cubic root of 313425640 is about 679.2737632978.

Adding to 313425640 its reverse (46524313), we get a palindrome (359949953).

The spelling of 313425640 in words is "three hundred thirteen million, four hundred twenty-five thousand, six hundred forty".