313320440250 has 128 divisors (see below), whose sum is σ = 871452691200. Its totient is φ = 83310710400.

The previous prime is 313320440243. The next prime is 313320440263. The reversal of 313320440250 is 52044023313.

313320440250 is a `hidden beast` number, since 3 + 1 + 3 + 3 + 204 + 402 + 50 = 666.

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

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 63 ways as a sum of consecutive naturals, for example, 2275366 + ... + 2409134.

It is an arithmetic number, because the mean of its divisors is an integer number (6808224150).

Almost surely, 2^313320440250 is an apocalyptic number.

313320440250 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 313320440250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435726345600).

313320440250 is an abundant number, since it is smaller than the sum of its proper divisors (558132250950).

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

313320440250 is a wasteful number, since it uses less digits than its factorization.

313320440250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134142 (or 134126 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 313320440250 its reverse (52044023313), we get a palindrome (365364463563).

The spelling of 313320440250 in words is "three hundred thirteen billion, three hundred twenty million, four hundred forty thousand, two hundred fifty".