3121443421242 has 32 divisors (see below), whose sum is σ = 6279636036480. Its totient is φ = 1034370025920.

The previous prime is 3121443421177. The next prime is 3121443421259. The reversal of 3121443421242 is 2421243441213.

3121443421242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810238 + ... + 2626665.

It is an arithmetic number, because the mean of its divisors is an integer number (196238626140).

Almost surely, 2^{3121443421242} is an apocalyptic number.

3121443421242 is an abundant number, since it is smaller than the sum of its proper divisors (3158192615238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121443421242 is a wasteful number, since it uses less digits than its factorization.

3121443421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437798.

The product of its digits is 36864, while the sum is 33.

Adding to 3121443421242 its reverse (2421243441213), we get a palindrome (5542686862455).

The spelling of 3121443421242 in words is "three trillion, one hundred twenty-one billion, four hundred forty-three million, four hundred twenty-one thousand, two hundred forty-two".