2421131312044 has 6 divisors (see below), whose sum is σ = 4236979796084. Its totient is φ = 1210565656020.

The previous prime is 2421131311967. The next prime is 2421131312053. The reversal of 2421131312044 is 4402131311242.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302641414002 + ... + 302641414009.

Almost surely, 2^{2421131312044} is an apocalyptic number.

It is an amenable number.

2421131312044 is a deficient number, since it is larger than the sum of its proper divisors (1815848484040).

2421131312044 is a wasteful number, since it uses less digits than its factorization.

2421131312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605282828015 (or 605282828013 counting only the distinct ones).

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

Adding to 2421131312044 its reverse (4402131311242), we get a palindrome (6823262623286).

The spelling of 2421131312044 in words is "two trillion, four hundred twenty-one billion, one hundred thirty-one million, three hundred twelve thousand, forty-four".