2421131311998 has 96 divisors (see below), whose sum is σ = 6260785708320. Its totient is φ = 691522030080.

The previous prime is 2421131311967. The next prime is 2421131312053. The reversal of 2421131311998 is 8991131311242.

2421131311998 is a `hidden beast` number, since 2 + 4 + 211 + 31 + 311 + 9 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7896040 + ... + 8196932.

It is an arithmetic number, because the mean of its divisors is an integer number (65216517795).

Almost surely, 2^{2421131311998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421131311998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3130392854160).

2421131311998 is an abundant number, since it is smaller than the sum of its proper divisors (3839654396322).

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

2421131311998 is a wasteful number, since it uses less digits than its factorization.

2421131311998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303959 (or 303946 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The spelling of 2421131311998 in words is "two trillion, four hundred twenty-one billion, one hundred thirty-one million, three hundred eleven thousand, nine hundred ninety-eight".