Base | Representation |
---|---|
bin | 11101010000111110… |
… | …000011000111000110 |
3 | 10000002221022122222120 |
4 | 131100332003013012 |
5 | 1003323320322042 |
6 | 22234032310410 |
7 | 2161460624604 |
oct | 352076030706 |
9 | 100087278876 |
10 | 31423214022 |
11 | 12365648872 |
12 | 610b6a2406 |
13 | 2c6a1b0b85 |
14 | 1741480874 |
15 | c3da56dec |
hex | 750f831c6 |
31423214022 has 32 divisors (see below), whose sum is σ = 63145982592. Its totient is φ = 10424582784.
The previous prime is 31423214021. The next prime is 31423214023. The reversal of 31423214022 is 22041232413.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31423214021) and next prime (31423214023).
It is a junction number, because it is equal to n+sod(n) for n = 31423213983 and 31423214001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31423214021) 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 15 ways as a sum of consecutive naturals, for example, 1245598 + ... + 1270574.
It is an arithmetic number, because the mean of its divisors is an integer number (1973311956).
Almost surely, 231423214022 is an apocalyptic number.
31423214022 is an abundant number, since it is smaller than the sum of its proper divisors (31722768570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31423214022 is a wasteful number, since it uses less digits than its factorization.
31423214022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25972.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 31423214022 its reverse (22041232413), we get a palindrome (53464446435).
The spelling of 31423214022 in words is "thirty-one billion, four hundred twenty-three million, two hundred fourteen thousand, twenty-two".
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