313133220202 has 16 divisors (see below), whose sum is σ = 512547733152. Its totient is φ = 142292193520.

The previous prime is 313133220157. The next prime is 313133220223. The reversal of 313133220202 is 202022331313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976413 + ... + 2128960.

It is an arithmetic number, because the mean of its divisors is an integer number (32034233322).

Almost surely, 2^313133220202 is an apocalyptic number.

313133220202 is a deficient number, since it is larger than the sum of its proper divisors (199414512950).

313133220202 is a wasteful number, since it uses less digits than its factorization.

313133220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108853.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313133220202 its reverse (202022331313), we get a palindrome (515155551515).

Subtracting from 313133220202 its reverse (202022331313), we obtain a square (111110888889 = 333333²).

It can be divided in two parts, 313133 and 220202, that added together give a palindrome (533335).

The spelling of 313133220202 in words is "three hundred thirteen billion, one hundred thirty-three million, two hundred twenty thousand, two hundred two".