54123311331 has 6 divisors (see below), whose sum is σ = 78178116380. Its totient is φ = 36082207548.

The previous prime is 54123311321. The next prime is 54123311393. The reversal of 54123311331 is 13311332145.

54123311331 is a `hidden beast` number, since 5 + 4 + 12 + 3 + 311 + 331 = 666.

It is not a de Polignac number, because 54123311331 - 2⁵ = 54123311299 is a prime.

It is a super-2 number, since 2×54123311331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54123311295 and 54123311304.

It is not an unprimeable number, because it can be changed into a prime (54123311311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3006850621 + ... + 3006850638.

Almost surely, 2^54123311331 is an apocalyptic number.

54123311331 is a deficient number, since it is larger than the sum of its proper divisors (24054805049).

54123311331 is a wasteful number, since it uses less digits than its factorization.

54123311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013701265 (or 6013701262 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

Adding to 54123311331 its reverse (13311332145), we get a palindrome (67434643476).

The spelling of 54123311331 in words is "fifty-four billion, one hundred twenty-three million, three hundred eleven thousand, three hundred thirty-one".