Search a number
-
+
30231322103 = 2291019129553
BaseRepresentation
bin11100001001111011…
…010101110111110111
32220000212120021122102
4130021323111313313
5443403204301403
621515454052315
72120105666213
oct341173256767
986025507572
1030231322103
111190387a824
125a384aa09b
132b0a298098
14166b061943
15bbe0bdb88
hex709ed5df7

30231322103 has 8 divisors (see below), whose sum is σ = 30393368400. Its totient is φ = 30069537408.

The previous prime is 30231322063. The next prime is 30231322183. The reversal of 30231322103 is 30122313203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30231322103 - 26 = 30231322039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231322183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168575 + ... + 298127.

It is an arithmetic number, because the mean of its divisors is an integer number (3799171050).

Almost surely, 230231322103 is an apocalyptic number.

30231322103 is a deficient number, since it is larger than the sum of its proper divisors (162046297).

30231322103 is a wasteful number, since it uses less digits than its factorization.

30231322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130801.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30231322103 its reverse (30122313203), we get a palindrome (60353635306).

The spelling of 30231322103 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred three".

Divisors: 1 229 1019 129553 233351 29667637 132014507 30231322103