Base | Representation |
---|---|
bin | 11101001111110101… |
… | …111010001101100001 |
3 | 10000001121201220012210 |
4 | 131033311322031201 |
5 | 1003304000200301 |
6 | 22232115112333 |
7 | 2161141113165 |
oct | 351765721541 |
9 | 100047656183 |
10 | 31404303201 |
11 | 12355a01897 |
12 | 61052a26a9 |
13 | 2c662bc43b |
14 | 173cb5aca5 |
15 | c3c06dad6 |
hex | 74fd7a361 |
31404303201 has 48 divisors (see below), whose sum is σ = 46491254784. Its totient is φ = 18816711936.
The previous prime is 31404303199. The next prime is 31404303233. The reversal of 31404303201 is 10230340413.
It is not a de Polignac number, because 31404303201 - 21 = 31404303199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31404303251) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18883296 + ... + 18884958.
It is an arithmetic number, because the mean of its divisors is an integer number (968567808).
Almost surely, 231404303201 is an apocalyptic number.
It is an amenable number.
31404303201 is a deficient number, since it is larger than the sum of its proper divisors (15086951583).
31404303201 is a wasteful number, since it uses less digits than its factorization.
31404303201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2670 (or 2653 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 31404303201 its reverse (10230340413), we get a palindrome (41634643614).
The spelling of 31404303201 in words is "thirty-one billion, four hundred four million, three hundred three thousand, two hundred one".
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