313044333400020 has 96 divisors (see below), whose sum is σ = 900513965465856. Its totient is φ = 81195246720000.

The previous prime is 313044333400009. The next prime is 313044333400021. The reversal of 313044333400020 is 20004333440313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313044333400021) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16831776 + ... + 30156215.

It is an arithmetic number, because the mean of its divisors is an integer number (9380353806936).

Almost surely, 2^{313044333400020} is an apocalyptic number.

313044333400020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313044333400020 is an abundant number, since it is smaller than the sum of its proper divisors (587469632065836).

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

313044333400020 is a wasteful number, since it uses less digits than its factorization.

313044333400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46991041 (or 46991039 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 313044333400020 its reverse (20004333440313), we get a palindrome (333048666840333).

The spelling of 313044333400020 in words is "three hundred thirteen trillion, forty-four billion, three hundred thirty-three million, four hundred thousand, twenty".