203430010019 has 2 divisors, whose sum is σ = 203430010020. Its totient is φ = 203430010018.

The previous prime is 203430010013. The next prime is 203430010067. The reversal of 203430010019 is 910010034302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203430010019 - 2²⁸ = 203161574563 is a prime.

It is a super-2 number, since 2×203430010019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203430009976 and 203430010003.

It is not a weakly prime, because it can be changed into another prime (203430010013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101715005009 + 101715005010.

It is an arithmetic number, because the mean of its divisors is an integer number (101715005010).

Almost surely, 2^203430010019 is an apocalyptic number.

203430010019 is a deficient number, since it is larger than the sum of its proper divisors (1).

203430010019 is an equidigital number, since it uses as much as digits as its factorization.

203430010019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 203430010019 in words is "two hundred three billion, four hundred thirty million, ten thousand, nineteen".