313112202020 has 36 divisors (see below), whose sum is σ = 693964206684. Its totient is φ = 118653042240.

The previous prime is 313112201993. The next prime is 313112202047. The reversal of 313112202020 is 20202211313.

It is an interprime number because it is at equal distance from previous prime (313112201993) and next prime (313112202047).

It can be written as a sum of positive squares in 2 ways, for example, as 239105352256 + 74006849764 = 488984^2 + 272042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 313112202020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21676451 + ... + 21690890.

It is an arithmetic number, because the mean of its divisors is an integer number (19276783519).

Almost surely, 2^313112202020 is an apocalyptic number.

It is an amenable number.

313112202020 is an abundant number, since it is smaller than the sum of its proper divisors (380852004664).

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

313112202020 is a wasteful number, since it uses less digits than its factorization.

313112202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43367388 (or 43367367 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 313112202020 its reverse (20202211313), we get a palindrome (333314413333).

The spelling of 313112202020 in words is "three hundred thirteen billion, one hundred twelve million, two hundred two thousand, twenty".