Base | Representation |
---|---|
bin | 1100100010110101100… |
… | …11100101110000010111 |
3 | 1112012112112112221211101 |
4 | 12101122303211300113 |
5 | 24030212132444111 |
6 | 530001414450531 |
7 | 43066040163505 |
oct | 6213263456027 |
9 | 1465475487741 |
10 | 431020203031 |
11 | 156881739030 |
12 | 6b64b963a47 |
13 | 31850195272 |
14 | 16c0bcd7675 |
15 | b329d94bc1 |
hex | 645ace5c17 |
431020203031 has 8 divisors (see below), whose sum is σ = 470381526144. Its totient is φ = 391688491320.
The previous prime is 431020202989. The next prime is 431020203043. The reversal of 431020203031 is 130302020134.
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 431020203031 - 29 = 431020202519 is a prime.
It is a super-2 number, since 2×4310202030312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431020203431) 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, 7372405 + ... + 7430638.
It is an arithmetic number, because the mean of its divisors is an integer number (58797690768).
Almost surely, 2431020203031 is an apocalyptic number.
431020203031 is a deficient number, since it is larger than the sum of its proper divisors (39361323113).
431020203031 is a wasteful number, since it uses less digits than its factorization.
431020203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14805701.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 431020203031 its reverse (130302020134), we get a palindrome (561322223165).
The spelling of 431020203031 in words is "four hundred thirty-one billion, twenty million, two hundred three thousand, thirty-one".
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