540041312331 has 12 divisors (see below), whose sum is σ = 780477512152. Its totient is φ = 359834692896.

The previous prime is 540041312309. The next prime is 540041312333. The reversal of 540041312331 is 133213140045.

It is a happy number.

540041312331 is a `hidden beast` number, since 540 + 0 + 41 + 31 + 23 + 31 = 666.

It is not a de Polignac number, because 540041312331 - 2⁵ = 540041312299 is a prime.

It is a super-2 number, since 2×540041312331² (a number of 24 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 = 540041312295 and 540041312304.

It is not an unprimeable number, because it can be changed into a prime (540041312333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16052986 + ... + 16086591.

Almost surely, 2^540041312331 is an apocalyptic number.

540041312331 is a deficient number, since it is larger than the sum of its proper divisors (240436199821).

540041312331 is a wasteful number, since it uses less digits than its factorization.

540041312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32141450 (or 32141447 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 540041312331 its reverse (133213140045), we get a palindrome (673254452376).

The spelling of 540041312331 in words is "five hundred forty billion, forty-one million, three hundred twelve thousand, three hundred thirty-one".