2102432113 has 2 divisors, whose sum is σ = 2102432114. Its totient is φ = 2102432112.

The previous prime is 2102432051. The next prime is 2102432117. The reversal of 2102432113 is 3112342012.

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., 2031485184 + 70946929 = 45072^2 + 8423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102432113 - 2⁹ = 2102431601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102432117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051216056 + 1051216057.

It is an arithmetic number, because the mean of its divisors is an integer number (1051216057).

Almost surely, 2^2102432113 is an apocalyptic number.

It is an amenable number.

2102432113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102432113 is an equidigital number, since it uses as much as digits as its factorization.

2102432113 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2102432113 is about 45852.2857990744. The cubic root of 2102432113 is about 1281.0733414400.

Adding to 2102432113 its reverse (3112342012), we get a palindrome (5214774125).

The spelling of 2102432113 in words is "two billion, one hundred two million, four hundred thirty-two thousand, one hundred thirteen".