331313031133 has 4 divisors (see below), whose sum is σ = 378643464160. Its totient is φ = 283982598108.

The previous prime is 331313031121. The next prime is 331313031167. The reversal of 331313031133 is 331130313133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331313031133 - 2²⁵ = 331279476701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331313031098 and 331313031107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331313031733) 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 3 ways as a sum of consecutive naturals, for example, 23665216503 + ... + 23665216516.

It is an arithmetic number, because the mean of its divisors is an integer number (94660866040).

Almost surely, 2^331313031133 is an apocalyptic number.

It is an amenable number.

331313031133 is a deficient number, since it is larger than the sum of its proper divisors (47330433027).

331313031133 is an equidigital number, since it uses as much as digits as its factorization.

331313031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47330433026.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 331313031133 its reverse (331130313133), we get a palindrome (662443344266).

The spelling of 331313031133 in words is "three hundred thirty-one billion, three hundred thirteen million, thirty-one thousand, one hundred thirty-three".