113431001543 has 2 divisors, whose sum is σ = 113431001544. Its totient is φ = 113431001542.

The previous prime is 113431001527. The next prime is 113431001573. The reversal of 113431001543 is 345100134311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113431001543 - 2⁴ = 113431001527 is a prime.

It is a super-2 number, since 2×113431001543² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113431001503) 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, 56715500771 + 56715500772.

It is an arithmetic number, because the mean of its divisors is an integer number (56715500772).

Almost surely, 2^113431001543 is an apocalyptic number.

113431001543 is a deficient number, since it is larger than the sum of its proper divisors (1).

113431001543 is an equidigital number, since it uses as much as digits as its factorization.

113431001543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 113431001543 its reverse (345100134311), we get a palindrome (458531135854).

The spelling of 113431001543 in words is "one hundred thirteen billion, four hundred thirty-one million, one thousand, five hundred forty-three".