Base | Representation |
---|---|
bin | 111000111101100011… |
… | …1000011100011100111 |
3 | 102200202000012001011011 |
4 | 1301323013003203213 |
5 | 4001010040001211 |
6 | 132110051123051 |
7 | 11560213234654 |
oct | 1617307034347 |
9 | 380660161134 |
10 | 122324531431 |
11 | 47972010a83 |
12 | 1b85a2a3487 |
13 | b6c596b35b |
14 | 5cc5d5cc2b |
15 | 32ae0c0921 |
hex | 1c7b1c38e7 |
122324531431 has 6 divisors (see below), whose sum is σ = 124676091680. Its totient is φ = 120016518648.
The previous prime is 122324531411. The next prime is 122324531473. The reversal of 122324531431 is 134135423221.
It is a de Polignac number, because none of the positive numbers 2k-122324531431 is a prime.
It is a super-2 number, since 2×1223245314312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122324531393 and 122324531402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122324531411) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21770871 + ... + 21776488.
Almost surely, 2122324531431 is an apocalyptic number.
122324531431 is a deficient number, since it is larger than the sum of its proper divisors (2351560249).
122324531431 is an frugal number, since it uses more digits than its factorization.
122324531431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43547465 (or 43547412 counting only the distinct ones).
The product of its digits is 17280, while the sum is 31.
Adding to 122324531431 its reverse (134135423221), we get a palindrome (256459954652).
The spelling of 122324531431 in words is "one hundred twenty-two billion, three hundred twenty-four million, five hundred thirty-one thousand, four hundred thirty-one".
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