331131311121333 has 16 divisors (see below), whose sum is σ = 442845243176256. Its totient is φ = 220086379833600.

The previous prime is 331131311121311. The next prime is 331131311121367. The reversal of 331131311121333 is 333121113131133.

It is not a de Polignac number, because 331131311121333 - 2⁸ = 331131311121077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331131311121333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331131311128333) 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, 71064991 + ... + 75581052.

It is an arithmetic number, because the mean of its divisors is an integer number (27677827698516).

Almost surely, 2^{331131311121333} is an apocalyptic number.

It is an amenable number.

331131311121333 is a deficient number, since it is larger than the sum of its proper divisors (111713932054923).

331131311121333 is a wasteful number, since it uses less digits than its factorization.

331131311121333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146648324.

The product of its digits is 4374, while the sum is 30.

Adding to 331131311121333 its reverse (333121113131133), we get a palindrome (664252424252466).

The spelling of 331131311121333 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, three hundred eleven million, one hundred twenty-one thousand, three hundred thirty-three".