Base | Representation |
---|---|
bin | 110100100100111000100010… |
… | …100111101100010010101111 |
3 | 1010022201122212110000111020102 |
4 | 310210320202213230102233 |
5 | 220302010221202044211 |
6 | 2135442553151141315 |
7 | 66464015022025664 |
oct | 6444704247542257 |
9 | 1108648773014212 |
10 | 231233030112431 |
11 | 677504172a1876 |
12 | 21b26615b1483b |
13 | 9c04248076649 |
14 | 4115a4a147a6b |
15 | 1baed7d6bda3b |
hex | d24e229ec4af |
231233030112431 has 16 divisors (see below), whose sum is σ = 233002079232000. Its totient is φ = 229467134952000.
The previous prime is 231233030112373. The next prime is 231233030112439. The reversal of 231233030112431 is 134211030332132.
231233030112431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 231233030112431 - 222 = 231233025918127 is a prime.
It is a super-2 number, since 2×2312330301124312 (a number of 30 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 = 231233030112394 and 231233030112403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231233030112439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658776770 + ... + 3658839968.
It is an arithmetic number, because the mean of its divisors is an integer number (14562629952000).
Almost surely, 2231233030112431 is an apocalyptic number.
231233030112431 is a deficient number, since it is larger than the sum of its proper divisors (1769049119569).
231233030112431 is a wasteful number, since it uses less digits than its factorization.
231233030112431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87710.
The product of its (nonzero) digits is 7776, while the sum is 29.
Adding to 231233030112431 its reverse (134211030332132), we get a palindrome (365444060444563).
The spelling of 231233030112431 in words is "two hundred thirty-one trillion, two hundred thirty-three billion, thirty million, one hundred twelve thousand, four hundred thirty-one".
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