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311422241345 = 5476121724607
BaseRepresentation
bin1001000100000100011…
…01100100101001000001
31002202211112220000012212
410202002031210221001
520100243043210340
6355022043231505
731333222242455
oct4420215445101
91082745800185
10311422241345
11110089811286
1250432818595
13234a03841b7
1411104126665
15817a356a65
hex4882364a41

311422241345 has 16 divisors (see below), whose sum is σ = 387914600448. Its totient is φ = 239839650240.

The previous prime is 311422241309. The next prime is 311422241363. The reversal of 311422241345 is 543142224113.

It is not a de Polignac number, because 311422241345 - 28 = 311422241089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10847969 + ... + 10876638.

It is an arithmetic number, because the mean of its divisors is an integer number (24244662528).

Almost surely, 2311422241345 is an apocalyptic number.

It is an amenable number.

311422241345 is a deficient number, since it is larger than the sum of its proper divisors (76492359103).

311422241345 is a wasteful number, since it uses less digits than its factorization.

311422241345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21724720.

The product of its digits is 23040, while the sum is 32.

Adding to 311422241345 its reverse (543142224113), we get a palindrome (854564465458).

The spelling of 311422241345 in words is "three hundred eleven billion, four hundred twenty-two million, two hundred forty-one thousand, three hundred forty-five".

Divisors: 1 5 47 61 235 305 2867 14335 21724607 108623035 1021056529 1325201027 5105282645 6626005135 62284448269 311422241345