3131222431441 has 4 divisors (see below), whose sum is σ = 3372085695412. Its totient is φ = 2890359167472.

The previous prime is 3131222431433. The next prime is 3131222431451. The reversal of 3131222431441 is 1441342221313.

It is a happy number.

3131222431441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 586227579025 + 2544994852416 = 765655^2 + 1595304^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131222431441 - 2³ = 3131222431433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131222431451) 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, 120431631966 + ... + 120431631991.

It is an arithmetic number, because the mean of its divisors is an integer number (843021423853).

Almost surely, 2^{3131222431441} is an apocalyptic number.

It is an amenable number.

3131222431441 is a deficient number, since it is larger than the sum of its proper divisors (240863263971).

3131222431441 is a wasteful number, since it uses less digits than its factorization.

3131222431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240863263970.

The product of its digits is 13824, while the sum is 31.

Adding to 3131222431441 its reverse (1441342221313), we get a palindrome (4572564652754).

The spelling of 3131222431441 in words is "three trillion, one hundred thirty-one billion, two hundred twenty-two million, four hundred thirty-one thousand, four hundred forty-one".