3121104320441 has 4 divisors (see below), whose sum is σ = 3187510795392. Its totient is φ = 3054697845492.

The previous prime is 3121104320431. The next prime is 3121104320473. The reversal of 3121104320441 is 1440234011213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3121104320441 - 2¹⁴ = 3121104304057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121104320441.

It is not an unprimeable number, because it can be changed into a prime (3121104320401) 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, 33203237405 + ... + 33203237498.

It is an arithmetic number, because the mean of its divisors is an integer number (796877698848).

Almost surely, 2^{3121104320441} is an apocalyptic number.

It is an amenable number.

3121104320441 is a deficient number, since it is larger than the sum of its proper divisors (66406474951).

3121104320441 is an equidigital number, since it uses as much as digits as its factorization.

3121104320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66406474950.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 3121104320441 its reverse (1440234011213), we get a palindrome (4561338331654).

The spelling of 3121104320441 in words is "three trillion, one hundred twenty-one billion, one hundred four million, three hundred twenty thousand, four hundred forty-one".