331131133230320 has 40 divisors (see below), whose sum is σ = 769911278399424. Its totient is φ = 132447052236032.

The previous prime is 331131133230269. The next prime is 331131133230341. The reversal of 331131133230320 is 23032331131133.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 82417079 + ... + 86341398.

Almost surely, 2^{331131133230320} is an apocalyptic number.

It is an amenable number.

331131133230320 is an abundant number, since it is smaller than the sum of its proper divisors (438780145169104).

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

331131133230320 is a wasteful number, since it uses less digits than its factorization.

331131133230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168783017 (or 168783011 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 331131133230320 its reverse (23032331131133), we get a palindrome (354163464361453).

The spelling of 331131133230320 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-three million, two hundred thirty thousand, three hundred twenty".