5543113131 has 24 divisors (see below), whose sum is σ = 8369653760. Its totient is φ = 3530919600.

The previous prime is 5543113123. The next prime is 5543113139. The reversal of 5543113131 is 1313113455.

It is a happy number.

5543113131 is a `hidden beast` number, since 5 + 543 + 113 + 1 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5543113123) and next prime (5543113139).

It is not a de Polignac number, because 5543113131 - 2³ = 5543113123 is a prime.

It is a super-2 number, since 2×5543113131² = 61452206366129246322, 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 = 5543113095 and 5543113104.

It is not an unprimeable number, because it can be changed into a prime (5543113139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103705 + ... + 147786.

Almost surely, 2^5543113131 is an apocalyptic number.

5543113131 is a deficient number, since it is larger than the sum of its proper divisors (2826540629).

5543113131 is a wasteful number, since it uses less digits than its factorization.

5543113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251607 (or 251604 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5543113131 is about 74452.0861426999. The cubic root of 5543113131 is about 1769.7744220807.

Adding to 5543113131 its reverse (1313113455), we get a palindrome (6856226586).

The spelling of 5543113131 in words is "five billion, five hundred forty-three million, one hundred thirteen thousand, one hundred thirty-one".