5251328131 has 16 divisors (see below), whose sum is σ = 6094911744. Its totient is φ = 4431612384.

The previous prime is 5251328107. The next prime is 5251328153. The reversal of 5251328131 is 1318231525.

It is a cyclic number.

It is not a de Polignac number, because 5251328131 - 2¹³ = 5251319939 is a prime.

It is a super-2 number, since 2×5251328131² = 55152894278863906322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5251328093 and 5251328102.

It is not an unprimeable number, because it can be changed into a prime (5251328161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100581 + ... + 143593.

It is an arithmetic number, because the mean of its divisors is an integer number (380931984).

Almost surely, 2^5251328131 is an apocalyptic number.

5251328131 is a deficient number, since it is larger than the sum of its proper divisors (843583613).

5251328131 is a wasteful number, since it uses less digits than its factorization.

5251328131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43290.

The product of its digits is 7200, while the sum is 31.

The square root of 5251328131 is about 72466.0481260017. The cubic root of 5251328131 is about 1738.1598694114.

Adding to 5251328131 its reverse (1318231525), we get a palindrome (6569559656).

The spelling of 5251328131 in words is "five billion, two hundred fifty-one million, three hundred twenty-eight thousand, one hundred thirty-one".