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30301010101 = 101300010001
BaseRepresentation
bin11100001110000101…
…001011100010110101
32220012201200210121101
4130032011023202311
5444024024310401
621530423450101
72121613223215
oct341605134265
986181623541
1030301010101
111193a14840a
125a578b6931
132b1b85789b
141676402245
15bc5287101
hex70e14b8b5

30301010101 has 4 divisors (see below), whose sum is σ = 30601020204. Its totient is φ = 30001000000.

The previous prime is 30301010053. The next prime is 30301010111. The reversal of 30301010101 is 10101010303.

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 27539402500 + 2761607601 = 165950^2 + 52551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30301010101 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

30301010101 is a modest number, since divided by 1010101 gives 303 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301010111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150004900 + ... + 150005101.

It is an arithmetic number, because the mean of its divisors is an integer number (7650255051).

Almost surely, 230301010101 is an apocalyptic number.

It is an amenable number.

30301010101 is a deficient number, since it is larger than the sum of its proper divisors (300010103).

30301010101 is a wasteful number, since it uses less digits than its factorization.

30301010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300010102.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 30301010101 its reverse (10101010303), we get a palindrome (40402020404).

The spelling of 30301010101 in words is "thirty billion, three hundred one million, ten thousand, one hundred one".

Divisors: 1 101 300010001 30301010101