5131195533 has 28 divisors (see below), whose sum is σ = 7958592060. Its totient is φ = 3302824896.

The previous prime is 5131195519. The next prime is 5131195541. The reversal of 5131195533 is 3355911315.

5131195533 is a `hidden beast` number, since 5 + 1 + 3 + 119 + 5 + 533 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1074397284 + 4056798249 = 32778^2 + 63693^2 .

It is not a de Polignac number, because 5131195533 - 2¹⁸ = 5130933389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131195933) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 100216 + ... + 142497.

Almost surely, 2^5131195533 is an apocalyptic number.

It is an amenable number.

5131195533 is a deficient number, since it is larger than the sum of its proper divisors (2827396527).

5131195533 is an equidigital number, since it uses as much as digits as its factorization.

5131195533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242760 (or 242745 counting only the distinct ones).

The product of its digits is 30375, while the sum is 36.

The square root of 5131195533 is about 71632.3637261818. The cubic root of 5131195533 is about 1724.8030898107.

The spelling of 5131195533 in words is "five billion, one hundred thirty-one million, one hundred ninety-five thousand, five hundred thirty-three".