231443101100043 has 80 divisors (see below), whose sum is σ = 408094500084480. Its totient is φ = 127970276583744.

The previous prime is 231443101100041. The next prime is 231443101100149. The reversal of 231443101100043 is 340001101344132.

231443101100043 is a `hidden beast` number, since 231 + 4 + 4 + 310 + 110 + 0 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 231443101100043 - 2¹ = 231443101100041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231443101100041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 41749948 + ... + 46967481.

It is an arithmetic number, because the mean of its divisors is an integer number (5101181251056).

Almost surely, 2^{231443101100043} is an apocalyptic number.

231443101100043 is a deficient number, since it is larger than the sum of its proper divisors (176651398984437).

231443101100043 is a wasteful number, since it uses less digits than its factorization.

231443101100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88717598 (or 88717589 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 231443101100043 its reverse (340001101344132), we get a palindrome (571444202444175).

The spelling of 231443101100043 in words is "two hundred thirty-one trillion, four hundred forty-three billion, one hundred one million, one hundred thousand, forty-three".