2031021441 has 12 divisors (see below), whose sum is σ = 2936606868. Its totient is φ = 1352671584.

The previous prime is 2031021439. The next prime is 2031021479. The reversal of 2031021441 is 1441201302.

2031021441 is a `hidden beast` number, since 203 + 1 + 0 + 21 + 441 = 666.

2031021441 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 563825025 + 1467196416 = 23745^2 + 38304^2 .

It is not a de Polignac number, because 2031021441 - 2¹ = 2031021439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031021241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102270 + ... + 120503.

It is an arithmetic number, because the mean of its divisors is an integer number (244717239).

Almost surely, 2^2031021441 is an apocalyptic number.

It is an amenable number.

2031021441 is a deficient number, since it is larger than the sum of its proper divisors (905585427).

2031021441 is a wasteful number, since it uses less digits than its factorization.

2031021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223792 (or 223789 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2031021441 is about 45066.8552375246. The cubic root of 2031021441 is about 1266.4017521319.

Adding to 2031021441 its reverse (1441201302), we get a palindrome (3472222743).

The spelling of 2031021441 in words is "two billion, thirty-one million, twenty-one thousand, four hundred forty-one".