331012033 has 4 divisors (see below), whose sum is σ = 361104048. Its totient is φ = 300920020.

The previous prime is 331012013. The next prime is 331012037. The reversal of 331012033 is 330210133.

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 an emirpimes, since its reverse is a distinct semiprime: 330210133 = 11 ⋅30019103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331012033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331011998 and 331012016.

It is not an unprimeable number, because it can be changed into a prime (331012037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15045991 + ... + 15046012.

It is an arithmetic number, because the mean of its divisors is an integer number (90276012).

Almost surely, 2^331012033 is an apocalyptic number.

It is an amenable number.

331012033 is a deficient number, since it is larger than the sum of its proper divisors (30092015).

331012033 is a wasteful number, since it uses less digits than its factorization.

331012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30092014.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 331012033 is about 18193.7360924028. The cubic root of 331012033 is about 691.7480239391.

Adding to 331012033 its reverse (330210133), we get a palindrome (661222166).

The spelling of 331012033 in words is "three hundred thirty-one million, twelve thousand, thirty-three".