331311111423 has 32 divisors (see below), whose sum is σ = 471017164800. Its totient is φ = 206542024416.

The previous prime is 331311111379. The next prime is 331311111427. The reversal of 331311111423 is 324111113133.

It is not a de Polignac number, because 331311111423 - 2²⁰ = 331310062847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331311111393 and 331311111402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331311111427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20358936 + ... + 20375202.

It is an arithmetic number, because the mean of its divisors is an integer number (14719286400).

Almost surely, 2^331311111423 is an apocalyptic number.

331311111423 is a deficient number, since it is larger than the sum of its proper divisors (139706053377).

331311111423 is a wasteful number, since it uses less digits than its factorization.

331311111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20891.

The product of its digits is 648, while the sum is 24.

Adding to 331311111423 its reverse (324111113133), we get a palindrome (655422224556).

The spelling of 331311111423 in words is "three hundred thirty-one billion, three hundred eleven million, one hundred eleven thousand, four hundred twenty-three".