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1030130081 is a prime number
BaseRepresentation
bin111101011001101…
…000100110100001
32122210101000210222
4331121220212201
54102203130311
6250115132425
734345650461
oct7531504641
92583330728
101030130081
11489532a82
12248ba4115
13135559436
149ab51ba1
1560683adb
hex3d6689a1

1030130081 has 2 divisors, whose sum is σ = 1030130082. Its totient is φ = 1030130080.

The previous prime is 1030130077. The next prime is 1030130107. The reversal of 1030130081 is 1800310301.

1030130081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933913600 + 96216481 = 30560^2 + 9809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030130081 - 22 = 1030130077 is a prime.

It is a super-2 number, since 2×10301300812 = 2122335967562133122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030130051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515065040 + 515065041.

It is an arithmetic number, because the mean of its divisors is an integer number (515065041).

Almost surely, 21030130081 is an apocalyptic number.

It is an amenable number.

1030130081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030130081 is an equidigital number, since it uses as much as digits as its factorization.

1030130081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1030130081 is about 32095.6395948110. The cubic root of 1030130081 is about 1009.9441465045.

Adding to 1030130081 its reverse (1800310301), we get a palindrome (2830440382).

The spelling of 1030130081 in words is "one billion, thirty million, one hundred thirty thousand, eighty-one".