2103434129 has 2 divisors, whose sum is σ = 2103434130. Its totient is φ = 2103434128.

The previous prime is 2103434117. The next prime is 2103434131. The reversal of 2103434129 is 9214343012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712304400 + 391129729 = 41380^2 + 19777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103434129 - 2¹² = 2103430033 is a prime.

Together with 2103434131, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2103434929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051717064 + 1051717065.

It is an arithmetic number, because the mean of its divisors is an integer number (1051717065).

Almost surely, 2^2103434129 is an apocalyptic number.

It is an amenable number.

2103434129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103434129 is an equidigital number, since it uses as much as digits as its factorization.

2103434129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2103434129 is about 45863.2110628988. The cubic root of 2103434129 is about 1281.2768283290.

The spelling of 2103434129 in words is "two billion, one hundred three million, four hundred thirty-four thousand, one hundred twenty-nine".