5145543131 has 2 divisors, whose sum is σ = 5145543132. Its totient is φ = 5145543130.

The previous prime is 5145543101. The next prime is 5145543181. The reversal of 5145543131 is 1313455415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5145543131 - 2¹⁴ = 5145526747 is a prime.

It is a super-2 number, since 2×5145543131² = 52953228225962566322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5145543101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572771565 + 2572771566.

It is an arithmetic number, because the mean of its divisors is an integer number (2572771566).

Almost surely, 2^5145543131 is an apocalyptic number.

5145543131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145543131 is an equidigital number, since it uses as much as digits as its factorization.

5145543131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 32.

The square root of 5145543131 is about 71732.4412731088. The cubic root of 5145543131 is about 1726.4091971152.

Adding to 5145543131 its reverse (1313455415), we get a palindrome (6458998546).

The spelling of 5145543131 in words is "five billion, one hundred forty-five million, five hundred forty-three thousand, one hundred thirty-one".