2031221024 has 48 divisors (see below), whose sum is σ = 4605201216. Its totient is φ = 863865600.

The previous prime is 2031221009. The next prime is 2031221041. The reversal of 2031221024 is 4201221302.

It is a junction number, because it is equal to n+sod(n) for n = 2031220993 and 2031221011.

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, 5267 + ... + 63954.

It is an arithmetic number, because the mean of its divisors is an integer number (95941692).

Almost surely, 2^2031221024 is an apocalyptic number.

It is an amenable number.

2031221024 is an abundant number, since it is smaller than the sum of its proper divisors (2573980192).

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

2031221024 is a wasteful number, since it uses less digits than its factorization.

2031221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69369 (or 69361 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2031221024 is about 45069.0694822957. The cubic root of 2031221024 is about 1266.4432327349.

Adding to 2031221024 its reverse (4201221302), we get a palindrome (6232442326).

The spelling of 2031221024 in words is "two billion, thirty-one million, two hundred twenty-one thousand, twenty-four".