2103402113 has 2 divisors, whose sum is σ = 2103402114. Its totient is φ = 2103402112.

The previous prime is 2103402109. The next prime is 2103402127. The reversal of 2103402113 is 3112043012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1608250609 + 495151504 = 40103^2 + 22252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103402113 - 2² = 2103402109 is a prime.

It is a super-3 number, since 3×2103402113³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103402091 and 2103402100.

It is not a weakly prime, because it can be changed into another prime (2103402143) 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 as a sum of consecutive naturals, namely, 1051701056 + 1051701057.

It is an arithmetic number, because the mean of its divisors is an integer number (1051701057).

Almost surely, 2^2103402113 is an apocalyptic number.

It is an amenable number.

2103402113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103402113 is an equidigital number, since it uses as much as digits as its factorization.

2103402113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2103402113 is about 45862.8620236461. The cubic root of 2103402113 is about 1281.2703275998.

Adding to 2103402113 its reverse (3112043012), we get a palindrome (5215445125).

The spelling of 2103402113 in words is "two billion, one hundred three million, four hundred two thousand, one hundred thirteen".