Base | Representation |
---|---|
bin | 1110000110110011010001… |
… | …01100001101000111010110 |
3 | 11001211111001211220012110022 |
4 | 13003121220230031013112 |
5 | 13031212440104331410 |
6 | 145550221310225142 |
7 | 6351056525321000 |
oct | 703315054150726 |
9 | 131744054805408 |
10 | 31020010230230 |
11 | 997a5700a30aa |
12 | 358ba767b51b2 |
13 | 1440236254cb8 |
14 | 79353b1bd370 |
15 | 38bd7d12c455 |
hex | 1c3668b0d1d6 |
31020010230230 has 32 divisors (see below), whose sum is σ = 65114890286400. Its totient is φ = 10635432077760.
The previous prime is 31020010230113. The next prime is 31020010230259. The reversal of 31020010230230 is 3203201002013.
It is a junction number, because it is equal to n+sod(n) for n = 31020010230199 and 31020010230208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4521863951 + ... + 4521870810.
It is an arithmetic number, because the mean of its divisors is an integer number (2034840321450).
Almost surely, 231020010230230 is an apocalyptic number.
31020010230230 is an abundant number, since it is smaller than the sum of its proper divisors (34094880056170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31020010230230 is an equidigital number, since it uses as much as digits as its factorization.
31020010230230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9043734789 (or 9043734775 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31020010230230 its reverse (3203201002013), we get a palindrome (34223211232243).
The spelling of 31020010230230 in words is "thirty-one trillion, twenty billion, ten million, two hundred thirty thousand, two hundred thirty".
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