Base | Representation |
---|---|
bin | 1110000110110011010001… |
… | …01111010000011000001110 |
3 | 11001211111001220101211120112 |
4 | 13003121220233100120032 |
5 | 13031212440310430110 |
6 | 145550221335320022 |
7 | 6351056535161531 |
oct | 703315057203016 |
9 | 131744056354515 |
10 | 31020011030030 |
11 | 997a570599aa0 |
12 | 358ba76b20012 |
13 | 1440236475059 |
14 | 79353b34aa18 |
15 | 38bd7d239405 |
hex | 1c3668bd060e |
31020011030030 has 32 divisors (see below), whose sum is σ = 60959721247200. Its totient is φ = 11271170753920.
The previous prime is 31020011030003. The next prime is 31020011030117. The reversal of 31020011030030 is 3003011002013.
It is a junction number, because it is equal to n+sod(n) for n = 31020011029987 and 31020011030014.
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, 110274605 + ... + 110555544.
It is an arithmetic number, because the mean of its divisors is an integer number (1904991288975).
Almost surely, 231020011030030 is an apocalyptic number.
31020011030030 is a deficient number, since it is larger than the sum of its proper divisors (29939710217170).
31020011030030 is a wasteful number, since it uses less digits than its factorization.
31020011030030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220831444.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31020011030030 its reverse (3003011002013), we get a palindrome (34023022032043).
The spelling of 31020011030030 in words is "thirty-one trillion, twenty billion, eleven million, thirty thousand, thirty".
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