2003213142 has 24 divisors (see below), whose sum is σ = 4960337616. Its totient is φ = 572346576.

The previous prime is 2003213123. The next prime is 2003213143. The reversal of 2003213142 is 2413123002.

2003213142 is a `hidden beast` number, since 200 + 321 + 3 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003213143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7949133 + ... + 7949384.

It is an arithmetic number, because the mean of its divisors is an integer number (206680734).

Almost surely, 2^2003213142 is an apocalyptic number.

2003213142 is an abundant number, since it is smaller than the sum of its proper divisors (2957124474).

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

2003213142 is a wasteful number, since it uses less digits than its factorization.

2003213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15898532 (or 15898529 counting only the distinct ones).

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

The square root of 2003213142 is about 44757.2691526192. The cubic root of 2003213142 is about 1260.5954064302.

Adding to 2003213142 its reverse (2413123002), we get a palindrome (4416336144).

The spelling of 2003213142 in words is "two billion, three million, two hundred thirteen thousand, one hundred forty-two".