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1030123117 is a prime number
BaseRepresentation
bin111101011001100…
…110111001101101
32122210100200021001
4331121212321231
54102202414432
6250115040301
734345621252
oct7531467155
92583320231
101030123117
11489528821
12248ba0091
1313555620a
149ab4d429
15606819e7
hex3d666e6d

1030123117 has 2 divisors, whose sum is σ = 1030123118. Its totient is φ = 1030123116.

The previous prime is 1030123033. The next prime is 1030123147. The reversal of 1030123117 is 7113210301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625550121 + 404572996 = 25011^2 + 20114^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030123117 - 223 = 1021734509 is a prime.

It is a super-2 number, since 2×10301231172 = 2122307272355591378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030123094 and 1030123103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030123147) 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, 515061558 + 515061559.

It is an arithmetic number, because the mean of its divisors is an integer number (515061559).

Almost surely, 21030123117 is an apocalyptic number.

It is an amenable number.

1030123117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030123117 is an equidigital number, since it uses as much as digits as its factorization.

1030123117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1030123117 is about 32095.5311063706. The cubic root of 1030123117 is about 1009.9418706538.

Adding to 1030123117 its reverse (7113210301), we get a palindrome (8143333418).

The spelling of 1030123117 in words is "one billion, thirty million, one hundred twenty-three thousand, one hundred seventeen".