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311323113343 = 11881153120983
BaseRepresentation
bin1001000011111000100…
…11011011011101111111
31002202120122100210011101
410201330103123131333
520100042204111333
6355004142433531
731330606541524
oct4417423333577
91082518323141
10311323113343
11110038865a10
12504055928a7
1323485987588
14110d4cc114b
1581717c567d
hex487c4db77f

311323113343 has 16 divisors (see below), whose sum is σ = 340249012992. Its totient is φ = 282501648000.

The previous prime is 311323113341. The next prime is 311323113377. The reversal of 311323113343 is 343311323113.

It is not a de Polignac number, because 311323113343 - 21 = 311323113341 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 (311323113341) 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, 14826430 + ... + 14847412.

It is an arithmetic number, because the mean of its divisors is an integer number (21265563312).

Almost surely, 2311323113343 is an apocalyptic number.

311323113343 is a deficient number, since it is larger than the sum of its proper divisors (28925899649).

311323113343 is a wasteful number, since it uses less digits than its factorization.

311323113343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406.

The product of its digits is 5832, while the sum is 28.

Adding to 311323113343 its reverse (343311323113), we get a palindrome (654634436456).

The spelling of 311323113343 in words is "three hundred eleven billion, three hundred twenty-three million, one hundred thirteen thousand, three hundred forty-three".

Divisors: 1 11 881 1531 9691 16841 20983 230813 1348811 14836921 18486023 32124973 203346253 353374703 28302101213 311323113343