Base | Representation |
---|---|
bin | 11101001010110101… |
… | …011110100110000001 |
3 | 2222211202200021222022 |
4 | 131022311132212001 |
5 | 1003120444212001 |
6 | 22215514451225 |
7 | 2156101122440 |
oct | 351265364601 |
9 | 88752607868 |
10 | 31320304001 |
11 | 12312549a68 |
12 | 60a1133b15 |
13 | 2c51a8b97c |
14 | 1731932d57 |
15 | c349ca11b |
hex | 74ad5e981 |
31320304001 has 8 divisors (see below), whose sum is σ = 35795703744. Its totient is φ = 26845171920.
The previous prime is 31320303979. The next prime is 31320304013. The reversal of 31320304001 is 10040302313.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-31320304001 is a prime.
It is a super-2 number, since 2×313203040012 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31320304061) 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, 422186 + ... + 490796.
It is an arithmetic number, because the mean of its divisors is an integer number (4474462968).
Almost surely, 231320304001 is an apocalyptic number.
It is an amenable number.
31320304001 is a deficient number, since it is larger than the sum of its proper divisors (4475399743).
31320304001 is an equidigital number, since it uses as much as digits as its factorization.
31320304001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133831.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31320304001 its reverse (10040302313), we get a palindrome (41360606314).
The spelling of 31320304001 in words is "thirty-one billion, three hundred twenty million, three hundred four thousand, one".
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