331205313141136 has 80 divisors (see below), whose sum is σ = 751302437816448. Its totient is φ = 138477186892800.

The previous prime is 331205313141133. The next prime is 331205313141137. The reversal of 331205313141136 is 631141313502133.

It is a junction number, because it is equal to n+sod(n) for n = 331205313141095 and 331205313141104.

It is not an unprimeable number, because it can be changed into a prime (331205313141133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107648631 + ... + 110682601.

Almost surely, 2^{331205313141136} is an apocalyptic number.

It is an amenable number.

331205313141136 is an abundant number, since it is smaller than the sum of its proper divisors (420097124675312).

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

331205313141136 is a wasteful number, since it uses less digits than its factorization.

331205313141136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057800 (or 3057794 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 331205313141136 its reverse (631141313502133), we get a palindrome (962346626643269).

The spelling of 331205313141136 in words is "three hundred thirty-one trillion, two hundred five billion, three hundred thirteen million, one hundred forty-one thousand, one hundred thirty-six".