313321403220 has 96 divisors (see below), whose sum is σ = 1003363780608. Its totient is φ = 71563800192.

The previous prime is 313321403203. The next prime is 313321403231. The reversal of 313321403220 is 22304123313.

It is a super-3 number, since 3×313321403220³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 301279 + ... + 847001.

It is an arithmetic number, because the mean of its divisors is an integer number (10451706048).

Almost surely, 2^313321403220 is an apocalyptic number.

313321403220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313321403220 is an abundant number, since it is smaller than the sum of its proper divisors (690042377388).

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

313321403220 is a wasteful number, since it uses less digits than its factorization.

313321403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547109 (or 547107 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 313321403220 its reverse (22304123313), we get a palindrome (335625526533).

The spelling of 313321403220 in words is "three hundred thirteen billion, three hundred twenty-one million, four hundred three thousand, two hundred twenty".