2142103213 has 2 divisors, whose sum is σ = 2142103214. Its totient is φ = 2142103212.

The previous prime is 2142103199. The next prime is 2142103219. The reversal of 2142103213 is 3123012412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2001846564 + 140256649 = 44742^2 + 11843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142103213 - 2⁵ = 2142103181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142103219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071051606 + 1071051607.

It is an arithmetic number, because the mean of its divisors is an integer number (1071051607).

Almost surely, 2^2142103213 is an apocalyptic number.

It is an amenable number.

2142103213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142103213 is an equidigital number, since it uses as much as digits as its factorization.

2142103213 is an evil number, because the sum of its binary digits is even.

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

The square root of 2142103213 is about 46282.8608990412. The cubic root of 2142103213 is about 1289.0807731330.

Adding to 2142103213 its reverse (3123012412), we get a palindrome (5265115625).

The spelling of 2142103213 in words is "two billion, one hundred forty-two million, one hundred three thousand, two hundred thirteen".