Base | Representation |
---|---|
bin | 1110000110100110110101… |
… | …01101110001111011111110 |
3 | 11001210211211112002120111000 |
4 | 13003103122231301323332 |
5 | 13031110301311424410 |
6 | 145543154552511130 |
7 | 6350432211411564 |
oct | 703233255617376 |
9 | 131724745076430 |
10 | 31013333311230 |
11 | 9977754158026 |
12 | 358a7126ab4a6 |
13 | 143c710b6b75a |
14 | 7930a6523a34 |
15 | 38badbd80dc0 |
hex | 1c34dab71efe |
31013333311230 has 128 divisors (see below), whose sum is σ = 88417225728000. Its totient is φ = 7708168161792.
The previous prime is 31013333311223. The next prime is 31013333311241. The reversal of 31013333311230 is 3211333331013.
31013333311230 is a `hidden beast` number, since 3 + 1 + 0 + 13 + 333 + 311 + 2 + 3 + 0 = 666.
It is a super-2 number, since 2×310133333112302 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 31013333311194 and 31013333311203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32326830 + ... + 33272369.
It is an arithmetic number, because the mean of its divisors is an integer number (690759576000).
Almost surely, 231013333311230 is an apocalyptic number.
31013333311230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31013333311230 is an abundant number, since it is smaller than the sum of its proper divisors (57403892416770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31013333311230 is a wasteful number, since it uses less digits than its factorization.
31013333311230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65599335 (or 65599329 counting only the distinct ones).
The product of its (nonzero) digits is 4374, while the sum is 27.
Adding to 31013333311230 its reverse (3211333331013), we get a palindrome (34224666642243).
The spelling of 31013333311230 in words is "thirty-one trillion, thirteen billion, three hundred thirty-three million, three hundred eleven thousand, two hundred thirty".
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