52131353131 has 8 divisors (see below), whose sum is σ = 61245226224. Its totient is φ = 43746589920.

The previous prime is 52131353123. The next prime is 52131353147. The reversal of 52131353131 is 13135313125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52131353131 - 2³ = 52131353123 is a prime.

It is a super-2 number, since 2×52131353131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52131353131.

It is not an unprimeable number, because it can be changed into a prime (52131353171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182277316 + ... + 182277601.

It is an arithmetic number, because the mean of its divisors is an integer number (7655653278).

Almost surely, 2^52131353131 is an apocalyptic number.

52131353131 is a deficient number, since it is larger than the sum of its proper divisors (9113873093).

52131353131 is a wasteful number, since it uses less digits than its factorization.

52131353131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364554941.

The product of its digits is 4050, while the sum is 28.

Adding to 52131353131 its reverse (13135313125), we get a palindrome (65266666256).

The spelling of 52131353131 in words is "fifty-two billion, one hundred thirty-one million, three hundred fifty-three thousand, one hundred thirty-one".