Search a number
-
+
320312312101 = 595429022239
BaseRepresentation
bin1001010100101000001…
…10100000000100100101
31010121210010010101122201
410222110012200010211
520221444422441401
6403052140254501
732066431505215
oct4522406400445
91117703111581
10320312312101
11113930a49aa1
12520b3b41431
13242891253b2
1411708ac4245
1584eaa6bb01
hex4a941a0125

320312312101 has 4 divisors (see below), whose sum is σ = 325741334400. Its totient is φ = 314883289804.

The previous prime is 320312312027. The next prime is 320312312107. The reversal of 320312312101 is 101213213023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101213213023 = 137785631771.

It is a cyclic number.

It is not a de Polignac number, because 320312312101 - 219 = 320311787813 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 (320312312107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2714511061 + ... + 2714511178.

It is an arithmetic number, because the mean of its divisors is an integer number (81435333600).

Almost surely, 2320312312101 is an apocalyptic number.

It is an amenable number.

320312312101 is a deficient number, since it is larger than the sum of its proper divisors (5429022299).

320312312101 is an equidigital number, since it uses as much as digits as its factorization.

320312312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429022298.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320312312101 its reverse (101213213023), we get a palindrome (421525525124).

The spelling of 320312312101 in words is "three hundred twenty billion, three hundred twelve million, three hundred twelve thousand, one hundred one".

Divisors: 1 59 5429022239 320312312101