202103043913 has 2 divisors, whose sum is σ = 202103043914. Its totient is φ = 202103043912.

The previous prime is 202103043893. The next prime is 202103043953. The reversal of 202103043913 is 319340301202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107627956489 + 94475087424 = 328067^2 + 307368^2 .

It is a cyclic number.

It is not a de Polignac number, because 202103043913 - 2⁵ = 202103043881 is a prime.

It is not a weakly prime, because it can be changed into another prime (202103043953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051521956 + 101051521957.

It is an arithmetic number, because the mean of its divisors is an integer number (101051521957).

Almost surely, 2^202103043913 is an apocalyptic number.

It is an amenable number.

202103043913 is a deficient number, since it is larger than the sum of its proper divisors (1).

202103043913 is an equidigital number, since it uses as much as digits as its factorization.

202103043913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 202103043913 in words is "two hundred two billion, one hundred three million, forty-three thousand, nine hundred thirteen".