5131343511 has 24 divisors (see below), whose sum is σ = 8485530144. Its totient is φ = 2927093760.

The previous prime is 5131343443. The next prime is 5131343519. The reversal of 5131343511 is 1153431315.

It is a happy number.

5131343511 is a `hidden beast` number, since 5 + 13 + 134 + 3 + 511 = 666.

It is not a de Polignac number, because 5131343511 - 2⁷ = 5131343383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131343519) 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 in 23 ways as a sum of consecutive naturals, for example, 34230 + ... + 106931.

It is an arithmetic number, because the mean of its divisors is an integer number (353563756).

Almost surely, 2^5131343511 is an apocalyptic number.

5131343511 is a deficient number, since it is larger than the sum of its proper divisors (3354186633).

5131343511 is a wasteful number, since it uses less digits than its factorization.

5131343511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141751 (or 141748 counting only the distinct ones).

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

The square root of 5131343511 is about 71633.3966177788. The cubic root of 5131343511 is about 1724.8196701220.

Adding to 5131343511 its reverse (1153431315), we get a palindrome (6284774826).

The spelling of 5131343511 in words is "five billion, one hundred thirty-one million, three hundred forty-three thousand, five hundred eleven".