53031312443 has 2 divisors, whose sum is σ = 53031312444. Its totient is φ = 53031312442.

The previous prime is 53031312431. The next prime is 53031312457. The reversal of 53031312443 is 34421313035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53031312443 - 2¹² = 53031308347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53031312413) 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 as a sum of consecutive naturals, namely, 26515656221 + 26515656222.

It is an arithmetic number, because the mean of its divisors is an integer number (26515656222).

Almost surely, 2^53031312443 is an apocalyptic number.

53031312443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53031312443 is an equidigital number, since it uses as much as digits as its factorization.

53031312443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 53031312443 its reverse (34421313035), we get a palindrome (87452625478).

The spelling of 53031312443 in words is "fifty-three billion, thirty-one million, three hundred twelve thousand, four hundred forty-three".