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311044322323 = 72910971396753
BaseRepresentation
bin1001000011010111010…
…11111011010000010011
31002201212012202201210001
410201223223323100103
520044004321303243
6354520343150431
731320653054650
oct4415353732023
91081765681701
10311044322323
1110aa05458109
1250348145417
132343cca4287
14110a9c6cc27
1581570a5a4d
hex486bafb413

311044322323 has 16 divisors (see below), whose sum is σ = 368072614080. Its totient is φ = 257181152256.

The previous prime is 311044322299. The next prime is 311044322363. The reversal of 311044322323 is 323223440113.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-311044322323 is a prime.

It is a super-2 number, since 2×3110443223232 (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 = 311044322291 and 311044322300.

It is not an unprimeable number, because it can be changed into a prime (311044322363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475686 + ... + 921067.

It is an arithmetic number, because the mean of its divisors is an integer number (23004538380).

Almost surely, 2311044322323 is an apocalyptic number.

311044322323 is a deficient number, since it is larger than the sum of its proper divisors (57028291757).

311044322323 is a wasteful number, since it uses less digits than its factorization.

311044322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397886.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 311044322323 its reverse (323223440113), we get a palindrome (634267762436).

The spelling of 311044322323 in words is "three hundred eleven billion, forty-four million, three hundred twenty-two thousand, three hundred twenty-three".

Divisors: 1 7 29 203 1097 7679 31813 222691 1396753 9777271 40505837 283540859 1532238041 10725666287 44434903189 311044322323