5611306131 has 8 divisors (see below), whose sum is σ = 8313046160. Its totient is φ = 3740870736.

The previous prime is 5611306121. The next prime is 5611306139. The reversal of 5611306131 is 1316031165.

5611306131 is a `hidden beast` number, since 5 + 6 + 11 + 30 + 613 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-5611306131 is a prime.

It is a super-2 number, since 2×5611306131² = 62973512991596378322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 207826153 = 5611306131 / (5 + 6 + 1 + 1 + 3 + 0 + 6 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5611306095 and 5611306104.

It is not an unprimeable number, because it can be changed into a prime (5611306139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103913050 + ... + 103913103.

It is an arithmetic number, because the mean of its divisors is an integer number (1039130770).

Almost surely, 2^5611306131 is an apocalyptic number.

5611306131 is a deficient number, since it is larger than the sum of its proper divisors (2701740029).

5611306131 is a wasteful number, since it uses less digits than its factorization.

5611306131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207826162 (or 207826156 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5611306131 is about 74908.6519101766. The cubic root of 5611306131 is about 1777.0022904617.

Adding to 5611306131 its reverse (1316031165), we get a palindrome (6927337296).

The spelling of 5611306131 in words is "five billion, six hundred eleven million, three hundred six thousand, one hundred thirty-one".