315141220441 has 4 divisors (see below), whose sum is σ = 315161912884. Its totient is φ = 315120528000.

The previous prime is 315141220409. The next prime is 315141220447. The reversal of 315141220441 is 144022141513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144022141513 = 701 ⋅205452413.

It can be written as a sum of positive squares in 2 ways, for example, as 256663824400 + 58477396041 = 506620^2 + 241821^2 .

It is a cyclic number.

It is not a de Polignac number, because 315141220441 - 2⁵ = 315141220409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315141220447) 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, 10323360 + ... + 10353841.

It is an arithmetic number, because the mean of its divisors is an integer number (78790478221).

Almost surely, 2^315141220441 is an apocalyptic number.

It is an amenable number.

315141220441 is a deficient number, since it is larger than the sum of its proper divisors (20692443).

315141220441 is a wasteful number, since it uses less digits than its factorization.

315141220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692442.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 315141220441 its reverse (144022141513), we get a palindrome (459163361954).

The spelling of 315141220441 in words is "three hundred fifteen billion, one hundred forty-one million, two hundred twenty thousand, four hundred forty-one".