52203521231 has 4 divisors (see below), whose sum is σ = 54951075000. Its totient is φ = 49455967464.

The previous prime is 52203521219. The next prime is 52203521243. The reversal of 52203521231 is 13212530225.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (52203521219) and next prime (52203521243).

It is not a de Polignac number, because 52203521231 - 2³⁴ = 35023652047 is a prime.

It is a super-2 number, since 2×52203521231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52203521231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52203521261) 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 3 ways as a sum of consecutive naturals, for example, 1373776856 + ... + 1373776893.

It is an arithmetic number, because the mean of its divisors is an integer number (13737768750).

Almost surely, 2^52203521231 is an apocalyptic number.

52203521231 is a deficient number, since it is larger than the sum of its proper divisors (2747553769).

52203521231 is a wasteful number, since it uses less digits than its factorization.

52203521231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747553768.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 52203521231 in words is "fifty-two billion, two hundred three million, five hundred twenty-one thousand, two hundred thirty-one".