101243434311143 has 2 divisors, whose sum is σ = 101243434311144. Its totient is φ = 101243434311142.

The previous prime is 101243434311109. The next prime is 101243434311251. The reversal of 101243434311143 is 341113434342101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101243434311143 - 2¹⁴ = 101243434294759 is a prime.

It is a super-2 number, since 2×101243434311143² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101243434311043) 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, 50621717155571 + 50621717155572.

It is an arithmetic number, because the mean of its divisors is an integer number (50621717155572).

Almost surely, 2^{101243434311143} is an apocalyptic number.

101243434311143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101243434311143 is an equidigital number, since it uses as much as digits as its factorization.

101243434311143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 101243434311143 its reverse (341113434342101), we get a palindrome (442356868653244).

The spelling of 101243434311143 in words is "one hundred one trillion, two hundred forty-three billion, four hundred thirty-four million, three hundred eleven thousand, one hundred forty-three".