40243031324101 has 4 divisors (see below), whose sum is σ = 40265677938892. Its totient is φ = 40220384709312.

The previous prime is 40243031324059. The next prime is 40243031324141. The reversal of 40243031324101 is 10142313034204.

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 10298868364225 + 29944162959876 = 3209185^2 + 5472126^2 .

It is a cyclic number.

It is not a de Polignac number, because 40243031324101 - 2¹³ = 40243031315909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40243031324101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243031324141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11323304730 + ... + 11323308283.

It is an arithmetic number, because the mean of its divisors is an integer number (10066419484723).

Almost surely, 2^{40243031324101} is an apocalyptic number.

It is an amenable number.

40243031324101 is a deficient number, since it is larger than the sum of its proper divisors (22646614791).

40243031324101 is a wasteful number, since it uses less digits than its factorization.

40243031324101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22646614790.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40243031324101 its reverse (10142313034204), we get a palindrome (50385344358305).

The spelling of 40243031324101 in words is "forty trillion, two hundred forty-three billion, thirty-one million, three hundred twenty-four thousand, one hundred one".