Base | Representation |
---|---|
bin | 11101010001000001… |
… | …011011011111100011 |
3 | 10000002222222200202112 |
4 | 131101001123133203 |
5 | 1003324032202243 |
6 | 22234103305535 |
7 | 2161501305560 |
oct | 352101333743 |
9 | 100088880675 |
10 | 31424100323 |
11 | 123660a3750 |
12 | 610ba4b2ab |
13 | 2c6a431405 |
14 | 1741631867 |
15 | c3db7e818 |
hex | 75105b7e3 |
31424100323 has 16 divisors (see below), whose sum is σ = 41240106240. Its totient is φ = 23197557600.
The previous prime is 31424100319. The next prime is 31424100353. The reversal of 31424100323 is 32300142413.
It is not a de Polignac number, because 31424100323 - 22 = 31424100319 is a prime.
It is a super-2 number, since 2×314241003232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31424100353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10738148 + ... + 10741073.
It is an arithmetic number, because the mean of its divisors is an integer number (2577506640).
Almost surely, 231424100323 is an apocalyptic number.
31424100323 is a deficient number, since it is larger than the sum of its proper divisors (9816005917).
31424100323 is a wasteful number, since it uses less digits than its factorization.
31424100323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21479258.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 31424100323 its reverse (32300142413), we get a palindrome (63724242736).
The spelling of 31424100323 in words is "thirty-one billion, four hundred twenty-four million, one hundred thousand, three hundred twenty-three".
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