2331421001020 has 24 divisors (see below), whose sum is σ = 4896013096800. Its totient is φ = 932562877632.

The previous prime is 2331421000999. The next prime is 2331421001053. The reversal of 2331421001020 is 201001241332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690826 + ... + 6086734.

It is an arithmetic number, because the mean of its divisors is an integer number (204000545700).

Almost surely, 2^{2331421001020} is an apocalyptic number.

2331421001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331421001020 is an abundant number, since it is smaller than the sum of its proper divisors (2564592095780).

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

2331421001020 is a wasteful number, since it uses less digits than its factorization.

2331421001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690357 (or 690355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2331421001020 its reverse (201001241332), we get a palindrome (2532422242352).

The spelling of 2331421001020 in words is "two trillion, three hundred thirty-one billion, four hundred twenty-one million, one thousand, twenty".