5431124513 has 4 divisors (see below), whose sum is σ = 5577911700. Its totient is φ = 5284337328.

The previous prime is 5431124507. The next prime is 5431124533. The reversal of 5431124513 is 3154211345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5266695184 + 164429329 = 72572^2 + 12823^2 .

It is a cyclic number.

It is not a de Polignac number, because 5431124513 - 2⁶ = 5431124449 is a prime.

It is a super-2 number, since 2×5431124513² = 58994226951418974338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431124533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73393538 + ... + 73393611.

It is an arithmetic number, because the mean of its divisors is an integer number (1394477925).

Almost surely, 2^5431124513 is an apocalyptic number.

It is an amenable number.

5431124513 is a deficient number, since it is larger than the sum of its proper divisors (146787187).

5431124513 is a wasteful number, since it uses less digits than its factorization.

5431124513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146787186.

The product of its digits is 7200, while the sum is 29.

The square root of 5431124513 is about 73696.1634890175. The cubic root of 5431124513 is about 1757.7748775223.

Adding to 5431124513 its reverse (3154211345), we get a palindrome (8585335858).

The spelling of 5431124513 in words is "five billion, four hundred thirty-one million, one hundred twenty-four thousand, five hundred thirteen".