Base | Representation |
---|---|
bin | 11100111110010100… |
… | …000101100011111011 |
3 | 2222022010101010120002 |
4 | 130332110011203323 |
5 | 1002203204132443 |
6 | 22143012023215 |
7 | 2150640353606 |
oct | 347624054373 |
9 | 88263333502 |
10 | 31110224123 |
11 | 12214a01930 |
12 | 6042901b0b |
13 | 2c1a3b5654 |
14 | 1711a8933d |
15 | c2132e2b8 |
hex | 73e5058fb |
31110224123 has 8 divisors (see below), whose sum is σ = 35724659520. Its totient is φ = 26793494280.
The previous prime is 31110224107. The next prime is 31110224149. The reversal of 31110224123 is 32142201113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31110224123 - 24 = 31110224107 is a prime.
It is a super-2 number, since 2×311102241232 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31110224095 and 31110224104.
It is not an unprimeable number, because it can be changed into a prime (31110229123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74426165 + ... + 74426582.
It is an arithmetic number, because the mean of its divisors is an integer number (4465582440).
Almost surely, 231110224123 is an apocalyptic number.
31110224123 is a deficient number, since it is larger than the sum of its proper divisors (4614435397).
31110224123 is a wasteful number, since it uses less digits than its factorization.
31110224123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148852777.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31110224123 its reverse (32142201113), we get a palindrome (63252425236).
The spelling of 31110224123 in words is "thirty-one billion, one hundred ten million, two hundred twenty-four thousand, one hundred twenty-three".
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