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44320322131 = 203363217937
BaseRepresentation
bin101001010001101100…
…100111001001010011
311020101202111122022021
4221101230213021103
51211232000302011
632205510152311
73126204344101
oct512154471123
9136352448267
1044320322131
1117883736aa8
12870a952697
1342441689a7
1422062a4c71
151245e32471
hexa51b27253

44320322131 has 4 divisors (see below), whose sum is σ = 44320743432. Its totient is φ = 44319900832.

The previous prime is 44320322093. The next prime is 44320322143. The reversal of 44320322131 is 13122302344.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 44320322131 - 27 = 44320322003 is a prime.

It is a super-2 number, since 2×443203221312 (a number of 22 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 = 44320322096 and 44320322105.

It is not an unprimeable number, because it can be changed into a prime (44320322161) 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, 94395 + ... + 312331.

It is an arithmetic number, because the mean of its divisors is an integer number (11080185858).

Almost surely, 244320322131 is an apocalyptic number.

44320322131 is a deficient number, since it is larger than the sum of its proper divisors (421301).

44320322131 is a wasteful number, since it uses less digits than its factorization.

44320322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421300.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 44320322131 its reverse (13122302344), we get a palindrome (57442624475).

The spelling of 44320322131 in words is "forty-four billion, three hundred twenty million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 203363 217937 44320322131