540311131 has 4 divisors (see below), whose sum is σ = 540360832. Its totient is φ = 540261432.

The previous prime is 540311129. The next prime is 540311171. The reversal of 540311131 is 131113045.

540311131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 540311131 - 2¹ = 540311129 is a prime.

It is a super-2 number, since 2×540311131² = 583872236564998322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540311099 and 540311108.

It is not an unprimeable number, because it can be changed into a prime (540311171) 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, 756 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (135090208).

Almost surely, 2^540311131 is an apocalyptic number.

540311131 is a deficient number, since it is larger than the sum of its proper divisors (49701).

540311131 is a wasteful number, since it uses less digits than its factorization.

540311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49700.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 540311131 is about 23244.5935864665. The cubic root of 540311131 is about 814.4816511489.

Adding to 540311131 its reverse (131113045), we get a palindrome (671424176).

The spelling of 540311131 in words is "five hundred forty million, three hundred eleven thousand, one hundred thirty-one".