Base | Representation |
---|---|
bin | 11101001100110111… |
… | …100111010010000011 |
3 | 2222221010212111000010 |
4 | 131030313213102003 |
5 | 1003203212341212 |
6 | 22223134000003 |
7 | 2156664105162 |
oct | 351467472203 |
9 | 88833774003 |
10 | 31354418307 |
11 | 1232a82a603 |
12 | 60b0646003 |
13 | 2c58b74554 |
14 | 17362933d9 |
15 | c379b803c |
hex | 74cde7483 |
31354418307 has 8 divisors (see below), whose sum is σ = 42935780176. Its totient is φ = 20338000992.
The previous prime is 31354418287. The next prime is 31354418311. The reversal of 31354418307 is 70381445313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31354418307 - 215 = 31354385539 is a prime.
It is a super-3 number, since 3×313544183073 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31354418107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141236008 + ... + 141236229.
It is an arithmetic number, because the mean of its divisors is an integer number (5366972522).
Almost surely, 231354418307 is an apocalyptic number.
31354418307 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
31354418307 is a deficient number, since it is larger than the sum of its proper divisors (11581361869).
31354418307 is a wasteful number, since it uses less digits than its factorization.
31354418307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282472277.
The product of its (nonzero) digits is 120960, while the sum is 39.
The spelling of 31354418307 in words is "thirty-one billion, three hundred fifty-four million, four hundred eighteen thousand, three hundred seven".
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