313203311143320 has 64 divisors (see below), whose sum is σ = 1011887620621920. Its totient is φ = 77096199665664.

The previous prime is 313203311143309. The next prime is 313203311143343. The reversal of 313203311143320 is 23341113302313.

It is a happy number.

It is a super-2 number, since 2×313203311143320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100385675089 + ... + 100385678208.

Almost surely, 2^{313203311143320} is an apocalyptic number.

313203311143320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313203311143320 is an abundant number, since it is smaller than the sum of its proper divisors (698684309478600).

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

313203311143320 is a wasteful number, since it uses less digits than its factorization.

313203311143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200771353324 (or 200771353320 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 313203311143320 its reverse (23341113302313), we get a palindrome (336544424445633).

The spelling of 313203311143320 in words is "three hundred thirteen trillion, two hundred three billion, three hundred eleven million, one hundred forty-three thousand, three hundred twenty".