316440040505101 has 8 divisors (see below), whose sum is σ = 317307401866008. Its totient is φ = 315573227592000.

The previous prime is 316440040505063. The next prime is 316440040505117. The reversal of 316440040505101 is 101505040044613.

It can be written as a sum of positive squares in 4 ways, for example, as 7099693475625 + 309340347029476 = 2664525^2 + 17588074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316440040505101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316440040503101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135956410 + ... + 138264331.

It is an arithmetic number, because the mean of its divisors is an integer number (39663425233251).

Almost surely, 2^{316440040505101} is an apocalyptic number.

It is an amenable number.

316440040505101 is a deficient number, since it is larger than the sum of its proper divisors (867361360907).

316440040505101 is a wasteful number, since it uses less digits than its factorization.

316440040505101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274223903.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 316440040505101 its reverse (101505040044613), we get a palindrome (417945080549714).

The spelling of 316440040505101 in words is "three hundred sixteen trillion, four hundred forty billion, forty million, five hundred five thousand, one hundred one".