Base | Representation |
---|---|
bin | 1110000110100110010001… |
… | …10001101000001100101110 |
3 | 11001210211001112202010220011 |
4 | 13003103020301220030232 |
5 | 13031104142234030110 |
6 | 145543105041443434 |
7 | 6350421565204432 |
oct | 703231061501456 |
9 | 131724045663804 |
10 | 31013032330030 |
11 | 997760a273433 |
12 | 358a64994057a |
13 | 143c6936b917a |
14 | 7930785769c2 |
15 | 38bac072b48a |
hex | 1c34c8c6832e |
31013032330030 has 16 divisors (see below), whose sum is σ = 55823777709840. Its totient is φ = 12405141928512.
The previous prime is 31013032330013. The next prime is 31013032330031. The reversal of 31013032330030 is 3003323031013.
It is a junction number, because it is equal to n+sod(n) for n = 31013032329983 and 31013032330010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31013032330031) 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, 7022535 + ... + 10551874.
It is an arithmetic number, because the mean of its divisors is an integer number (3488986106865).
Almost surely, 231013032330030 is an apocalyptic number.
31013032330030 is a deficient number, since it is larger than the sum of its proper divisors (24810745379810).
31013032330030 is a wasteful number, since it uses less digits than its factorization.
31013032330030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17750883.
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 31013032330030 its reverse (3003323031013), we get a palindrome (34016355361043).
The spelling of 31013032330030 in words is "thirty-one trillion, thirteen billion, thirty-two million, three hundred thirty thousand, thirty".
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