53215244134231 has 2 divisors, whose sum is σ = 53215244134232. Its totient is φ = 53215244134230.

The previous prime is 53215244134229. The next prime is 53215244134277. The reversal of 53215244134231 is 13243144251235.

53215244134231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53215244134231 - 2¹ = 53215244134229 is a prime.

It is a super-2 number, since 2×53215244134231² (a number of 28 digits) contains 22 as substring.

Together with 53215244134229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53215244134291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607622067115 + 26607622067116.

It is an arithmetic number, because the mean of its divisors is an integer number (26607622067116).

Almost surely, 2^{53215244134231} is an apocalyptic number.

53215244134231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53215244134231 is an equidigital number, since it uses as much as digits as its factorization.

53215244134231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

Adding to 53215244134231 its reverse (13243144251235), we get a palindrome (66458388385466).

The spelling of 53215244134231 in words is "fifty-three trillion, two hundred fifteen billion, two hundred forty-four million, one hundred thirty-four thousand, two hundred thirty-one".