5535431131 has 4 divisors (see below), whose sum is σ = 5542109200. Its totient is φ = 5528753064.

The previous prime is 5535431123. The next prime is 5535431179. The reversal of 5535431131 is 1311345355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5535431131 - 2³ = 5535431123 is a prime.

It is a super-3 number, since 3×5535431131³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5535431093 and 5535431102.

It is not an unprimeable number, because it can be changed into a prime (5535431831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337791 + ... + 3339448.

It is an arithmetic number, because the mean of its divisors is an integer number (1385527300).

Almost surely, 2^5535431131 is an apocalyptic number.

5535431131 is a deficient number, since it is larger than the sum of its proper divisors (6678069).

5535431131 is an equidigital number, since it uses as much as digits as its factorization.

5535431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678068.

The product of its digits is 13500, while the sum is 31.

The square root of 5535431131 is about 74400.4780293783. The cubic root of 5535431131 is about 1768.9564886626.

Adding to 5535431131 its reverse (1311345355), we get a palindrome (6846776486).

The spelling of 5535431131 in words is "five billion, five hundred thirty-five million, four hundred thirty-one thousand, one hundred thirty-one".