331013132402231 has 4 divisors (see below), whose sum is σ = 350484493131792. Its totient is φ = 311541771672672.

The previous prime is 331013132402209. The next prime is 331013132402237. The reversal of 331013132402231 is 132204231310133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331013132402231 is a prime.

It is a super-3 number, since 3×331013132402231³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331013132402194 and 331013132402203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331013132402237) 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, 9735680364755 + ... + 9735680364788.

It is an arithmetic number, because the mean of its divisors is an integer number (87621123282948).

Almost surely, 2^{331013132402231} is an apocalyptic number.

331013132402231 is a deficient number, since it is larger than the sum of its proper divisors (19471360729561).

331013132402231 is a wasteful number, since it uses less digits than its factorization.

331013132402231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19471360729560.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 331013132402231 its reverse (132204231310133), we get a palindrome (463217363712364).

The spelling of 331013132402231 in words is "three hundred thirty-one trillion, thirteen billion, one hundred thirty-two million, four hundred two thousand, two hundred thirty-one".