331311838081 has 16 divisors (see below), whose sum is σ = 387471872128. Its totient is φ = 277360070400.

The previous prime is 331311838073. The next prime is 331311838103. The reversal of 331311838081 is 180838113133.

It is not a de Polignac number, because 331311838081 - 2³ = 331311838073 is a prime.

It is a super-2 number, since 2×331311838081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331311838001) 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 15 ways as a sum of consecutive naturals, for example, 7690441 + ... + 7733401.

It is an arithmetic number, because the mean of its divisors is an integer number (24216992008).

Almost surely, 2^331311838081 is an apocalyptic number.

It is an amenable number.

331311838081 is a deficient number, since it is larger than the sum of its proper divisors (56160034047).

331311838081 is a wasteful number, since it uses less digits than its factorization.

331311838081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68632.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 331311838081 in words is "three hundred thirty-one billion, three hundred eleven million, eight hundred thirty-eight thousand, eighty-one".