331013122231 has 4 divisors (see below), whose sum is σ = 361105224264. Its totient is φ = 300921020200.

The previous prime is 331013122169. The next prime is 331013122259. The reversal of 331013122231 is 132221310133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331013122231 - 2¹⁷ = 331012991159 is a prime.

It is a super-2 number, since 2×331013122231² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331013125231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15046051000 + ... + 15046051021.

It is an arithmetic number, because the mean of its divisors is an integer number (90276306066).

Almost surely, 2^331013122231 is an apocalyptic number.

331013122231 is a deficient number, since it is larger than the sum of its proper divisors (30092102033).

331013122231 is a wasteful number, since it uses less digits than its factorization.

331013122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30092102032.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331013122231 its reverse (132221310133), we get a palindrome (463234432364).

The spelling of 331013122231 in words is "three hundred thirty-one billion, thirteen million, one hundred twenty-two thousand, two hundred thirty-one".