Base | Representation |
---|---|
bin | 11100111110111001… |
… | …110001001110101010 |
3 | 2222022210221222220000 |
4 | 130332321301032222 |
5 | 1002213221233224 |
6 | 22144003443430 |
7 | 2151120335160 |
oct | 347671611652 |
9 | 88283858800 |
10 | 31120102314 |
11 | 1221a539524 |
12 | 6046086576 |
13 | 2c1c463932 |
14 | 17130db230 |
15 | c221310c9 |
hex | 73ee713aa |
31120102314 has 80 divisors (see below), whose sum is σ = 79736382528. Its totient is φ = 8886708288.
The previous prime is 31120102291. The next prime is 31120102357. The reversal of 31120102314 is 41320102113.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2491974 + ... + 2504430.
Almost surely, 231120102314 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31120102314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39868191264).
31120102314 is an abundant number, since it is smaller than the sum of its proper divisors (48616280214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31120102314 is a wasteful number, since it uses less digits than its factorization.
31120102314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14681 (or 14672 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31120102314 its reverse (41320102113), we get a palindrome (72440204427).
The spelling of 31120102314 in words is "thirty-one billion, one hundred twenty million, one hundred two thousand, three hundred fourteen".
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