Base | Representation |
---|---|
bin | 1110000110110011101001… |
… | …01110011100000100000101 |
3 | 11001211111120220211101210122 |
4 | 13003121310232130010011 |
5 | 13031213343302023331 |
6 | 145550253322031325 |
7 | 6351064526461022 |
oct | 703316456340405 |
9 | 131744526741718 |
10 | 31020212142341 |
11 | 997a664071714 |
12 | 358bb12348545 |
13 | 144026902b716 |
14 | 793559d3c549 |
15 | 38bd90c1317b |
hex | 1c3674b9c105 |
31020212142341 has 8 divisors (see below), whose sum is σ = 31459540420224. Its totient is φ = 30580951194640.
The previous prime is 31020212142331. The next prime is 31020212142371. The reversal of 31020212142341 is 14324121202013.
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 31020212142341 - 26 = 31020212142277 is a prime.
It is a super-2 number, since 2×310202121423412 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31020212142341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31020212142331) 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, 15904226 + ... + 17747811.
It is an arithmetic number, because the mean of its divisors is an integer number (3932442552528).
Almost surely, 231020212142341 is an apocalyptic number.
It is an amenable number.
31020212142341 is a deficient number, since it is larger than the sum of its proper divisors (439328277883).
31020212142341 is a wasteful number, since it uses less digits than its factorization.
31020212142341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33665091.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 31020212142341 its reverse (14324121202013), we get a palindrome (45344333344354).
The spelling of 31020212142341 in words is "thirty-one trillion, twenty billion, two hundred twelve million, one hundred forty-two thousand, three hundred forty-one".
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