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1030230301 = 2053501817
BaseRepresentation
bin111101011010000…
…001000100011101
32122210120010021211
4331122001010131
54102214332201
6250121224421
734346545612
oct7532010435
92583503254
101030230301
114895a1301
12249032111
13135592c39
149ab7a509
15606a3651
hex3d68111d

1030230301 has 4 divisors (see below), whose sum is σ = 1030734172. Its totient is φ = 1029726432.

The previous prime is 1030230287. The next prime is 1030230319. The reversal of 1030230301 is 1030320301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 695376900 + 334853401 = 26370^2 + 18299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030230301 - 215 = 1030197533 is a prime.

It is a super-2 number, since 2×10302303012 = 2122748946197101202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030230361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248856 + ... + 252961.

It is an arithmetic number, because the mean of its divisors is an integer number (257683543).

Almost surely, 21030230301 is an apocalyptic number.

It is an amenable number.

1030230301 is a deficient number, since it is larger than the sum of its proper divisors (503871).

1030230301 is an equidigital number, since it uses as much as digits as its factorization.

1030230301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503870.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1030230301 is about 32097.2008281096. The cubic root of 1030230301 is about 1009.9768974881.

Adding to 1030230301 its reverse (1030320301), we get a palindrome (2060550602).

Subtracting 1030230301 from its reverse (1030320301), we obtain a square (90000 = 3002).

The spelling of 1030230301 in words is "one billion, thirty million, two hundred thirty thousand, three hundred one".

Divisors: 1 2053 501817 1030230301