Base | Representation |
---|---|
bin | 10010111010110100… |
… | …001110000010001011 |
3 | 1221102201121020100002 |
4 | 102322310032002023 |
5 | 313100403322311 |
6 | 13155430033215 |
7 | 1316255113421 |
oct | 227264160213 |
9 | 57381536302 |
10 | 20314120331 |
11 | 86848782aa |
12 | 3b2b1a880b |
13 | 1bb97aa85b |
14 | da9cd3111 |
15 | 7dd61893b |
hex | 4bad0e08b |
20314120331 has 8 divisors (see below), whose sum is σ = 20337120720. Its totient is φ = 20291136768.
The previous prime is 20314120297. The next prime is 20314120349. The reversal of 20314120331 is 13302141302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20314120331 is a prime.
It is a super-2 number, since 2×203141203312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20314120831) 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, 5754575 + ... + 5758103.
It is an arithmetic number, because the mean of its divisors is an integer number (2542140090).
Almost surely, 220314120331 is an apocalyptic number.
20314120331 is a deficient number, since it is larger than the sum of its proper divisors (23000389).
20314120331 is a wasteful number, since it uses less digits than its factorization.
20314120331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8413.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 20314120331 its reverse (13302141302), we get a palindrome (33616261633).
The spelling of 20314120331 in words is "twenty billion, three hundred fourteen million, one hundred twenty thousand, three hundred thirty-one".
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