313325550 has 96 divisors (see below), whose sum is σ = 901013760. Its totient is φ = 79912800.

The previous prime is 313325549. The next prime is 313325591. The reversal of 313325550 is 55523313.

313325550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26005 + ... + 36095.

It is an arithmetic number, because the mean of its divisors is an integer number (9385560).

Almost surely, 2^313325550 is an apocalyptic number.

313325550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 313325550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450506880).

313325550 is an abundant number, since it is smaller than the sum of its proper divisors (587688210).

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

313325550 is a wasteful number, since it uses less digits than its factorization.

313325550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135 (or 10124 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 313325550 is about 17701.0042088013. The cubic root of 313325550 is about 679.2014486977.

Adding to 313325550 its reverse (55523313), we get a palindrome (368848863).

The spelling of 313325550 in words is "three hundred thirteen million, three hundred twenty-five thousand, five hundred fifty".