Base | Representation |
---|---|
bin | 1001000101101111101… |
… | …01111111101101011111 |
3 | 1002212011021000000210120 |
4 | 10202313311333231133 |
5 | 20104113414433211 |
6 | 355251225010023 |
7 | 31364426312325 |
oct | 4426765775537 |
9 | 1085137000716 |
10 | 312322030431 |
11 | 11050070a124 |
12 | 50644023913 |
13 | 235b4905888 |
14 | 1118b829d15 |
15 | 81ce340d06 |
hex | 48b7d7fb5f |
312322030431 has 16 divisors (see below), whose sum is σ = 445290823008. Its totient is φ = 194026496000.
The previous prime is 312322030411. The next prime is 312322030439. The reversal of 312322030431 is 134030223213.
It is a cyclic number.
It is not a de Polignac number, because 312322030431 - 29 = 312322029919 is a prime.
It is a super-2 number, since 2×3123220304312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312322030439) 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, 30311490 + ... + 30321791.
It is an arithmetic number, because the mean of its divisors is an integer number (27830676438).
Almost surely, 2312322030431 is an apocalyptic number.
312322030431 is a deficient number, since it is larger than the sum of its proper divisors (132968792577).
312322030431 is a wasteful number, since it uses less digits than its factorization.
312322030431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60633402.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 312322030431 its reverse (134030223213), we get a palindrome (446352253644).
The spelling of 312322030431 in words is "three hundred twelve billion, three hundred twenty-two million, thirty thousand, four hundred thirty-one".
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