52152431231 has 4 divisors (see below), whose sum is σ = 52173798864. Its totient is φ = 52131063600.

The previous prime is 52152431153. The next prime is 52152431237. The reversal of 52152431231 is 13213425125.

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

It is a cyclic number.

It is not a de Polignac number, because 52152431231 - 2³⁴ = 34972562047 is a prime.

It is a super-2 number, since 2×52152431231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52152431194 and 52152431203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152431237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10680155 + ... + 10685036.

It is an arithmetic number, because the mean of its divisors is an integer number (13043449716).

Almost surely, 2^52152431231 is an apocalyptic number.

52152431231 is a deficient number, since it is larger than the sum of its proper divisors (21367633).

52152431231 is a wasteful number, since it uses less digits than its factorization.

52152431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367632.

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

Adding to 52152431231 its reverse (13213425125), we get a palindrome (65365856356).

The spelling of 52152431231 in words is "fifty-two billion, one hundred fifty-two million, four hundred thirty-one thousand, two hundred thirty-one".