13031220441 has 16 divisors (see below), whose sum is σ = 18004176000. Its totient is φ = 8373875328.

The previous prime is 13031220421. The next prime is 13031220457. The reversal of 13031220441 is 14402213031.

It is not a de Polignac number, because 13031220441 - 2²⁶ = 12964111577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13031220401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72916 + ... + 177141.

It is an arithmetic number, because the mean of its divisors is an integer number (1125261000).

Almost surely, 2^13031220441 is an apocalyptic number.

It is an amenable number.

13031220441 is a deficient number, since it is larger than the sum of its proper divisors (4972955559).

13031220441 is a wasteful number, since it uses less digits than its factorization.

13031220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250688.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13031220441 its reverse (14402213031), we get a palindrome (27433433472).

The spelling of 13031220441 in words is "thirteen billion, thirty-one million, two hundred twenty thousand, four hundred forty-one".