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320313101123 = 1052930421987
BaseRepresentation
bin1001010100101000010…
…01100000101101000011
31010121210011121110222202
410222110021200231003
520222000123213443
6403052205223415
732066441302451
oct4522411405503
91117704543882
10320313101123
11113931438884
12520b4261b6b
1324289340582
1411708c4b9d1
1584eab757b8
hex4a94260b43

320313101123 has 4 divisors (see below), whose sum is σ = 320343533640. Its totient is φ = 320282668608.

The previous prime is 320313101081. The next prime is 320313101131. The reversal of 320313101123 is 321101313023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321101313023 = 929345641887.

It is a cyclic number.

It is not a de Polignac number, because 320313101123 - 28 = 320313100867 is a prime.

It is a super-2 number, since 2×3203131011232 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320313101095 and 320313101104.

It is not an unprimeable number, because it can be changed into a prime (320393101123) 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, 15200465 + ... + 15221522.

It is an arithmetic number, because the mean of its divisors is an integer number (80085883410).

Almost surely, 2320313101123 is an apocalyptic number.

320313101123 is a deficient number, since it is larger than the sum of its proper divisors (30432517).

320313101123 is a wasteful number, since it uses less digits than its factorization.

320313101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30432516.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 320313101123 its reverse (321101313023), we get a palindrome (641414414146).

The spelling of 320313101123 in words is "three hundred twenty billion, three hundred thirteen million, one hundred one thousand, one hundred twenty-three".

Divisors: 1 10529 30421987 320313101123