203103012019 has 2 divisors, whose sum is σ = 203103012020. Its totient is φ = 203103012018.

The previous prime is 203103012001. The next prime is 203103012061. The reversal of 203103012019 is 910210301302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203103012019 - 2¹³ = 203103003827 is a prime.

It is a super-2 number, since 2×203103012019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203103012719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101551506009 + 101551506010.

It is an arithmetic number, because the mean of its divisors is an integer number (101551506010).

Almost surely, 2^203103012019 is an apocalyptic number.

203103012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

203103012019 is an equidigital number, since it uses as much as digits as its factorization.

203103012019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 203103012019 in words is "two hundred three billion, one hundred three million, twelve thousand, nineteen".