Search a number
-
+
30112232323 = 31971362333
BaseRepresentation
bin11100000010110101…
…000011001110000011
32212201120110220011211
4130002311003032003
5443132212413243
621500001350551
72114131515535
oct340265031603
985646426154
1030112232323
111185262a918
125a04638457
132abb6cc564
141659301855
15bb38e7d9d
hex702d43383

30112232323 has 4 divisors (see below), whose sum is σ = 31083594688. Its totient is φ = 29140869960.

The previous prime is 30112232299. The next prime is 30112232351. The reversal of 30112232323 is 32323221103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32323221103 = 57156608093.

It is a cyclic number.

It is not a de Polignac number, because 30112232323 - 221 = 30110135171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30112232294 and 30112232303.

It is not an unprimeable number, because it can be changed into a prime (30112232363) 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, 485681136 + ... + 485681197.

It is an arithmetic number, because the mean of its divisors is an integer number (7770898672).

Almost surely, 230112232323 is an apocalyptic number.

30112232323 is a deficient number, since it is larger than the sum of its proper divisors (971362365).

30112232323 is an equidigital number, since it uses as much as digits as its factorization.

30112232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971362364.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30112232323 its reverse (32323221103), we get a palindrome (62435453426).

The spelling of 30112232323 in words is "thirty billion, one hundred twelve million, two hundred thirty-two thousand, three hundred twenty-three".

Divisors: 1 31 971362333 30112232323