2030142321 has 12 divisors (see below), whose sum is σ = 2932959172. Its totient is φ = 1353182976.

The previous prime is 2030142259. The next prime is 2030142349. The reversal of 2030142321 is 1232410302.

2030142321 is a `hidden beast` number, since 2 + 0 + 301 + 42 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1976691600 + 53450721 = 44460^2 + 7311^2 .

It is not a de Polignac number, because 2030142321 - 2²¹ = 2028045169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2030142294 and 2030142303.

It is not an unprimeable number, because it can be changed into a prime (2030142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42045 + ... + 76341.

Almost surely, 2^2030142321 is an apocalyptic number.

It is an amenable number.

2030142321 is a deficient number, since it is larger than the sum of its proper divisors (902816851).

2030142321 is a wasteful number, since it uses less digits than its factorization.

2030142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40880 (or 40877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2030142321 is about 45057.1006723691. The cubic root of 2030142321 is about 1266.2190066823.

Adding to 2030142321 its reverse (1232410302), we get a palindrome (3262552623).

The spelling of 2030142321 in words is "two billion, thirty million, one hundred forty-two thousand, three hundred twenty-one".