Base | Representation |
---|---|
bin | 1110000111000110010011… |
… | …10110101110100101010110 |
3 | 11001212110110002210012210120 |
4 | 13003203021312232211112 |
5 | 13031344402430011202 |
6 | 145555031354132410 |
7 | 6351601014513363 |
oct | 703431166564526 |
9 | 131773402705716 |
10 | 31030230313302 |
11 | 9983935067850 |
12 | 3591a49421106 |
13 | 14411a470b92c |
14 | 793c2a67146a |
15 | 38c27a4b00bc |
hex | 1c38c9dae956 |
31030230313302 has 128 divisors (see below), whose sum is σ = 70837938547200. Its totient is φ = 8975288448000.
The previous prime is 31030230313267. The next prime is 31030230313333. The reversal of 31030230313302 is 20331303203013.
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, 127272138 + ... + 127515714.
It is an arithmetic number, because the mean of its divisors is an integer number (553421394900).
Almost surely, 231030230313302 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31030230313302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35418969273600).
31030230313302 is an abundant number, since it is smaller than the sum of its proper divisors (39807708233898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31030230313302 is a wasteful number, since it uses less digits than its factorization.
31030230313302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244382.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 31030230313302 its reverse (20331303203013), we get a palindrome (51361533516315).
The spelling of 31030230313302 in words is "thirty-one trillion, thirty billion, two hundred thirty million, three hundred thirteen thousand, three hundred two".
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