331320104234240 has 144 divisors (see below), whose sum is σ = 865775030440320. Its totient is φ = 120478227701760.

The previous prime is 331320104234237. The next prime is 331320104234243. The reversal of 331320104234240 is 42432401023133.

It is an interprime number because it is at equal distance from previous prime (331320104234237) and next prime (331320104234243).

It is a super-2 number, since 2×331320104234240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 331320104234197 and 331320104234206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331320104234243) 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 15 ways as a sum of consecutive naturals, for example, 1251847202 + ... + 1252111838.

It is an arithmetic number, because the mean of its divisors is an integer number (6012326600280).

Almost surely, 2^{331320104234240} is an apocalyptic number.

It is an amenable number.

331320104234240 is an abundant number, since it is smaller than the sum of its proper divisors (534454926206080).

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

331320104234240 is a wasteful number, since it uses less digits than its factorization.

331320104234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353588 (or 353574 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 331320104234240 its reverse (42432401023133), we get a palindrome (373752505257373).

The spelling of 331320104234240 in words is "three hundred thirty-one trillion, three hundred twenty billion, one hundred four million, two hundred thirty-four thousand, two hundred forty".