331020132133 has 4 divisors (see below), whose sum is σ = 331021283040. Its totient is φ = 331018981228.

The previous prime is 331020132097. The next prime is 331020132137. The reversal of 331020132133 is 331231020133.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331020132133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020132137) 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 3 ways as a sum of consecutive naturals, for example, 270888 + ... + 857566.

It is an arithmetic number, because the mean of its divisors is an integer number (82755320760).

Almost surely, 2^331020132133 is an apocalyptic number.

It is an amenable number.

331020132133 is a deficient number, since it is larger than the sum of its proper divisors (1150907).

331020132133 is an equidigital number, since it uses as much as digits as its factorization.

331020132133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150906.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 331020132133 its reverse (331231020133), we get a palindrome (662251152266).

The spelling of 331020132133 in words is "three hundred thirty-one billion, twenty million, one hundred thirty-two thousand, one hundred thirty-three".