331123330011 has 4 divisors (see below), whose sum is σ = 441497773352. Its totient is φ = 220748886672.

The previous prime is 331123329967. The next prime is 331123330039. The reversal of 331123330011 is 110033321133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110033321133 = 3 ⋅36677773711.

It is not a de Polignac number, because 331123330011 - 2¹⁹ = 331122805723 is a prime.

It is a super-2 number, since 2×331123330011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331123330011.

It is not an unprimeable number, because it can be changed into a prime (331123330211) 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, 55187221666 + ... + 55187221671.

It is an arithmetic number, because the mean of its divisors is an integer number (110374443338).

Almost surely, 2^331123330011 is an apocalyptic number.

331123330011 is a deficient number, since it is larger than the sum of its proper divisors (110374443341).

331123330011 is a wasteful number, since it uses less digits than its factorization.

331123330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110374443340.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 331123330011 its reverse (110033321133), we get a palindrome (441156651144).

The spelling of 331123330011 in words is "three hundred thirty-one billion, one hundred twenty-three million, three hundred thirty thousand, eleven".