40311313103441 has 4 divisors (see below), whose sum is σ = 41701358382900. Its totient is φ = 38921267823984.

The previous prime is 40311313103431. The next prime is 40311313103447. The reversal of 40311313103441 is 14430131311304.

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 16495546683841 + 23815766419600 = 4061471^2 + 4880140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40311313103441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1390045279429 = 40311313103441 / (4 + 0 + 3 + 1 + 1 + 3 + 1 + 3 + 1 + 0 + 3 + 4 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40311313103447) 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, 695022639686 + ... + 695022639743.

It is an arithmetic number, because the mean of its divisors is an integer number (10425339595725).

Almost surely, 2^{40311313103441} is an apocalyptic number.

It is an amenable number.

40311313103441 is a deficient number, since it is larger than the sum of its proper divisors (1390045279459).

40311313103441 is a wasteful number, since it uses less digits than its factorization.

40311313103441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390045279458.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 40311313103441 its reverse (14430131311304), we get a palindrome (54741444414745).

The spelling of 40311313103441 in words is "forty trillion, three hundred eleven billion, three hundred thirteen million, one hundred three thousand, four hundred forty-one".