313331202120 has 32 divisors (see below), whose sum is σ = 939993606720. Its totient is φ = 83554987200.

The previous prime is 313331202113. The next prime is 313331202199. The reversal of 313331202120 is 21202133313.

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, 1305546556 + ... + 1305546795.

It is an arithmetic number, because the mean of its divisors is an integer number (29374800210).

Almost surely, 2^313331202120 is an apocalyptic number.

313331202120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313331202120 is an abundant number, since it is smaller than the sum of its proper divisors (626662404600).

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

313331202120 is a wasteful number, since it uses less digits than its factorization.

313331202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611093365 (or 2611093361 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 313331202120 its reverse (21202133313), we get a palindrome (334533335433).

The spelling of 313331202120 in words is "three hundred thirteen billion, three hundred thirty-one million, two hundred two thousand, one hundred twenty".