313313500 has 24 divisors (see below), whose sum is σ = 684277776. Its totient is φ = 125325200.

The previous prime is 313313491. The next prime is 313313501. The reversal of 313313500 is 5313313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313313501) 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, 312814 + ... + 313813.

It is an arithmetic number, because the mean of its divisors is an integer number (28511574).

Almost surely, 2^313313500 is an apocalyptic number.

It is an amenable number.

313313500 is an abundant number, since it is smaller than the sum of its proper divisors (370964276).

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

313313500 is a wasteful number, since it uses less digits than its factorization.

313313500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626646 (or 626634 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 313313500 is about 17700.6638293596. The cubic root of 313313500 is about 679.1927415853.

Adding to 313313500 its reverse (5313313), we get a palindrome (318626813).

The spelling of 313313500 in words is "three hundred thirteen million, three hundred thirteen thousand, five hundred".