Base | Representation |
---|---|
bin | 1110001111100100010011… |
… | …01110001111100010100101 |
3 | 11002220021112010101201112121 |
4 | 13013302021232033202211 |
5 | 13101131320300421201 |
6 | 150340433300145541 |
7 | 6411611556214642 |
oct | 707621156174245 |
9 | 132807463351477 |
10 | 31321212123301 |
11 | 9a86284779461 |
12 | 361a3166982b1 |
13 | 146276808b929 |
14 | 7a3d51bc4dc9 |
15 | 394b0b09c9a1 |
hex | 1c7c89b8f8a5 |
31321212123301 has 8 divisors (see below), whose sum is σ = 31509363521664. Its totient is φ = 31133067858960.
The previous prime is 31321212123283. The next prime is 31321212123319. The reversal of 31321212123301 is 10332121212313.
It is an interprime number because it is at equal distance from previous prime (31321212123283) and next prime (31321212123319).
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 31321212123301 - 221 = 31321210026149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31321212123361) 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, 7157896 + ... + 10671358.
It is an arithmetic number, because the mean of its divisors is an integer number (3938670440208).
Almost surely, 231321212123301 is an apocalyptic number.
It is an amenable number.
31321212123301 is a deficient number, since it is larger than the sum of its proper divisors (188151398363).
31321212123301 is a wasteful number, since it uses less digits than its factorization.
31321212123301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3567011.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 31321212123301 its reverse (10332121212313), we get a palindrome (41653333335614).
The spelling of 31321212123301 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twelve million, one hundred twenty-three thousand, three hundred one".
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