313100140311220 has 48 divisors (see below), whose sum is σ = 664023778882128. Its totient is φ = 123999405465600.

The previous prime is 313100140311193. The next prime is 313100140311271. The reversal of 313100140311220 is 22113041001313.

It can be written as a sum of positive squares in 8 ways, for example, as 32807853218596 + 280292287092624 = 5727814^2 + 16741932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313100140311191 and 313100140311200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617577754 + ... + 618084526.

It is an arithmetic number, because the mean of its divisors is an integer number (13833828726711).

Almost surely, 2^{313100140311220} is an apocalyptic number.

It is an amenable number.

313100140311220 is an abundant number, since it is smaller than the sum of its proper divisors (350923638570908).

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

313100140311220 is a wasteful number, since it uses less digits than its factorization.

313100140311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812740 (or 812738 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 313100140311220 its reverse (22113041001313), we get a palindrome (335213181312533).

The spelling of 313100140311220 in words is "three hundred thirteen trillion, one hundred billion, one hundred forty million, three hundred eleven thousand, two hundred twenty".