1030200109 has 2 divisors, whose sum is σ = 1030200110. Its totient is φ = 1030200108.

The previous prime is 1030200103. The next prime is 1030200137. The reversal of 1030200109 is 9010020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651780900 + 378419209 = 25530^2 + 19453^2 .

It is an emirp because it is prime and its reverse (9010020301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030200109 - 2⁵ = 1030200077 is a prime.

It is a super-2 number, since 2×1030200109² = 2122624529167223762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030200092 and 1030200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030200103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515100054 + 515100055.

It is an arithmetic number, because the mean of its divisors is an integer number (515100055).

Almost surely, 2^1030200109 is an apocalyptic number.

It is an amenable number.

1030200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030200109 is an equidigital number, since it uses as much as digits as its factorization.

1030200109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1030200109 is about 32096.7305032771. The cubic root of 1030200109 is about 1009.9670312409.

The spelling of 1030200109 in words is "one billion, thirty million, two hundred thousand, one hundred nine".