2103453113 has 2 divisors, whose sum is σ = 2103453114. Its totient is φ = 2103453112.

The previous prime is 2103453097. The next prime is 2103453133. The reversal of 2103453113 is 3113543012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040599929 + 62853184 = 45173^2 + 7928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103453113 - 2⁴ = 2103453097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103453133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051726556 + 1051726557.

It is an arithmetic number, because the mean of its divisors is an integer number (1051726557).

Almost surely, 2^2103453113 is an apocalyptic number.

It is an amenable number.

2103453113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103453113 is an equidigital number, since it uses as much as digits as its factorization.

2103453113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2103453113 is about 45863.4180256989. The cubic root of 2103453113 is about 1281.2806829281.

Adding to 2103453113 its reverse (3113543012), we get a palindrome (5216996125).

It can be divided in two parts, 21034 and 53113, that added together give a palindrome (74147).

The spelling of 2103453113 in words is "two billion, one hundred three million, four hundred fifty-three thousand, one hundred thirteen".