313201123020 has 72 divisors (see below), whose sum is σ = 950168288160. Its totient is φ = 83509320960.

The previous prime is 313201122959. The next prime is 313201123057. The reversal of 313201123020 is 20321102313.

313201123020 is a `hidden beast` number, since 31 + 320 + 1 + 12 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 313201122984 and 313201123002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1307800 + ... + 1528640.

It is an arithmetic number, because the mean of its divisors is an integer number (13196781780).

Almost surely, 2^313201123020 is an apocalyptic number.

313201123020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313201123020 is an abundant number, since it is smaller than the sum of its proper divisors (636967165140).

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

313201123020 is a wasteful number, since it uses less digits than its factorization.

313201123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228735 (or 228730 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 313201123020 its reverse (20321102313), we get a palindrome (333522225333).

The spelling of 313201123020 in words is "three hundred thirteen billion, two hundred one million, one hundred twenty-three thousand, twenty".