331132313111 has 4 divisors (see below), whose sum is σ = 333660040824. Its totient is φ = 328604585400.

The previous prime is 331132313087. The next prime is 331132313117. The reversal of 331132313111 is 111313231133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111313231133 = 13 ⋅8562556241.

It is a cyclic number.

It is not a de Polignac number, because 331132313111 - 2¹⁰ = 331132312087 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 (331132313117) 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, 1263863660 + ... + 1263863921.

It is an arithmetic number, because the mean of its divisors is an integer number (83415010206).

Almost surely, 2^331132313111 is an apocalyptic number.

331132313111 is a deficient number, since it is larger than the sum of its proper divisors (2527727713).

331132313111 is a wasteful number, since it uses less digits than its factorization.

331132313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527727712.

The product of its digits is 486, while the sum is 23.

Adding to 331132313111 its reverse (111313231133), we get a palindrome (442445544244).

The spelling of 331132313111 in words is "three hundred thirty-one billion, one hundred thirty-two million, three hundred thirteen thousand, one hundred eleven".