40443031203101 has 4 divisors (see below), whose sum is σ = 40504215819804. Its totient is φ = 40381846586400.

The previous prime is 40443031203089. The next prime is 40443031203119. The reversal of 40443031203101 is 10130213034404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13415561751076 + 27027469452025 = 3662726^2 + 5198795^2 .

It is a cyclic number.

It is not a de Polignac number, because 40443031203101 - 2²⁶ = 40442964094237 is a prime.

It is a super-2 number, since 2×40443031203101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443031203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30592307360 + ... + 30592308681.

It is an arithmetic number, because the mean of its divisors is an integer number (10126053954951).

Almost surely, 2^{40443031203101} is an apocalyptic number.

It is an amenable number.

40443031203101 is a deficient number, since it is larger than the sum of its proper divisors (61184616703).

40443031203101 is an equidigital number, since it uses as much as digits as its factorization.

40443031203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61184616702.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40443031203101 its reverse (10130213034404), we get a palindrome (50573244237505).

The spelling of 40443031203101 in words is "forty trillion, four hundred forty-three billion, thirty-one million, two hundred three thousand, one hundred one".