313212220002 has 24 divisors (see below), whose sum is σ = 740319793200. Its totient is φ = 94912793880.

The previous prime is 313212219979. The next prime is 313212220019. The reversal of 313212220002 is 200022212313.

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

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 11 ways as a sum of consecutive naturals, for example, 790939752 + ... + 790940147.

It is an arithmetic number, because the mean of its divisors is an integer number (30846658050).

Almost surely, 2^313212220002 is an apocalyptic number.

313212220002 is an abundant number, since it is smaller than the sum of its proper divisors (427107573198).

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

313212220002 is a wasteful number, since it uses less digits than its factorization.

313212220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581879918 (or 1581879915 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 313212220002 its reverse (200022212313), we get a palindrome (513234432315).

The spelling of 313212220002 in words is "three hundred thirteen billion, two hundred twelve million, two hundred twenty thousand, two".