313100240 has 80 divisors (see below), whose sum is σ = 792806400. Its totient is φ = 114541056.

The previous prime is 313100213. The next prime is 313100267. The reversal of 313100240 is 42001313.

It is an interprime number because it is at equal distance from previous prime (313100213) and next prime (313100267).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 40529 + ... + 47631.

It is an arithmetic number, because the mean of its divisors is an integer number (9910080).

Almost surely, 2^313100240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313100240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396403200).

313100240 is an abundant number, since it is smaller than the sum of its proper divisors (479706160).

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

313100240 is a wasteful number, since it uses less digits than its factorization.

313100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 313100240 is about 17694.6387360692. The cubic root of 313100240 is about 679.0386068078.

Adding to 313100240 its reverse (42001313), we get a palindrome (355101553).

The spelling of 313100240 in words is "three hundred thirteen million, one hundred thousand, two hundred forty".