3131220441241 has 4 divisors (see below), whose sum is σ = 3215848020772. Its totient is φ = 3046592861712.

The previous prime is 3131220441211. The next prime is 3131220441253. The reversal of 3131220441241 is 1421440221313.

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 1651299530841 + 1479920910400 = 1285029^2 + 1216520^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131220441241 - 2³⁹ = 2581464627353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131220441211) 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, 42313789710 + ... + 42313789783.

It is an arithmetic number, because the mean of its divisors is an integer number (803962005193).

Almost surely, 2^{3131220441241} is an apocalyptic number.

It is an amenable number.

3131220441241 is a deficient number, since it is larger than the sum of its proper divisors (84627579531).

3131220441241 is an equidigital number, since it uses as much as digits as its factorization.

3131220441241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84627579530.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 3131220441241 its reverse (1421440221313), we get a palindrome (4552660662554).

The spelling of 3131220441241 in words is "three trillion, one hundred thirty-one billion, two hundred twenty million, four hundred forty-one thousand, two hundred forty-one".