320311131243104 has 48 divisors (see below), whose sum is σ = 656002256943600. Its totient is φ = 153769088546304.

The previous prime is 320311131243101. The next prime is 320311131243113. The reversal of 320311131243104 is 401342131113023.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311131243101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 963975947 + ... + 964308170.

It is an arithmetic number, because the mean of its divisors is an integer number (13666713686325).

Almost surely, 2^{320311131243104} is an apocalyptic number.

It is an amenable number.

320311131243104 is an abundant number, since it is smaller than the sum of its proper divisors (335691125700496).

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

320311131243104 is a wasteful number, since it uses less digits than its factorization.

320311131243104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928284335 (or 1928284327 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 320311131243104 its reverse (401342131113023), we get a palindrome (721653262356127).

The spelling of 320311131243104 in words is "three hundred twenty trillion, three hundred eleven billion, one hundred thirty-one million, two hundred forty-three thousand, one hundred four".