Base | Representation |
---|---|
bin | 1110001100111110100001… |
… | …11101111011001000000101 |
3 | 11002120202210122001001120111 |
4 | 13012133100331323020011 |
5 | 13043202033023244414 |
6 | 150231514114233021 |
7 | 6402311233062604 |
oct | 706372075731005 |
9 | 132522718031514 |
10 | 31232213103109 |
11 | 9a51564090307 |
12 | 3605018b85771 |
13 | 145725375a7c5 |
14 | 79d90bc0ba3b |
15 | 39264ca478c4 |
hex | 1c67d0f7b205 |
31232213103109 has 8 divisors (see below), whose sum is σ = 31248040253760. Its totient is φ = 31216388440800.
The previous prime is 31232213103089. The next prime is 31232213103149. The reversal of 31232213103109 is 90130131223213.
It is a happy number.
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 31232213103109 - 213 = 31232213094917 is a prime.
It is a super-2 number, since 2×312322131031092 (a number of 28 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 (31232213103149) 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, 24748762 + ... + 25980100.
It is an arithmetic number, because the mean of its divisors is an integer number (3906005031720).
Almost surely, 231232213103109 is an apocalyptic number.
It is an amenable number.
31232213103109 is a deficient number, since it is larger than the sum of its proper divisors (15827150651).
31232213103109 is a wasteful number, since it uses less digits than its factorization.
31232213103109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1244171.
The product of its (nonzero) digits is 5832, while the sum is 31.
The spelling of 31232213103109 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred thirteen million, one hundred three thousand, one hundred nine".
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