52315303231 has 4 divisors (see below), whose sum is σ = 52854636352. Its totient is φ = 51775970112.

The previous prime is 52315303211. The next prime is 52315303241. The reversal of 52315303231 is 13230351325.

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 52315303231 - 2¹⁷ = 52315172159 is a prime.

It is a super-2 number, since 2×52315303231² (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 52315303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52315303211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269666415 + ... + 269666608.

It is an arithmetic number, because the mean of its divisors is an integer number (13213659088).

Almost surely, 2^52315303231 is an apocalyptic number.

52315303231 is a deficient number, since it is larger than the sum of its proper divisors (539333121).

52315303231 is an equidigital number, since it uses as much as digits as its factorization.

52315303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539333120.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 52315303231 its reverse (13230351325), we get a palindrome (65545654556).

The spelling of 52315303231 in words is "fifty-two billion, three hundred fifteen million, three hundred three thousand, two hundred thirty-one".