Base | Representation |
---|---|
bin | 1110000110111001011010… |
… | …11000010010110101000110 |
3 | 11001211210120211020002101111 |
4 | 13003130231120102311012 |
5 | 13031241214342403220 |
6 | 145551524550315234 |
7 | 6351234355043422 |
oct | 703345530226506 |
9 | 131753524202344 |
10 | 31023310122310 |
11 | 9980a03873940 |
12 | 3590637958b1a |
13 | 1440640aca16c |
14 | 79377156bb82 |
15 | 38bec2bad15a |
hex | 1c372d612d46 |
31023310122310 has 32 divisors (see below), whose sum is σ = 64501941049632. Its totient is φ = 10617603463680.
The previous prime is 31023310122307. The next prime is 31023310122379. The reversal of 31023310122310 is 1322101332013.
It is a super-2 number, since 2×310233101223102 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
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, 8295000837 + ... + 8295004576.
It is an arithmetic number, because the mean of its divisors is an integer number (2015685657801).
Almost surely, 231023310122310 is an apocalyptic number.
31023310122310 is an abundant number, since it is smaller than the sum of its proper divisors (33478630927322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31023310122310 is a wasteful number, since it uses less digits than its factorization.
31023310122310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16590005448.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 31023310122310 its reverse (1322101332013), we get a palindrome (32345411454323).
The spelling of 31023310122310 in words is "thirty-one trillion, twenty-three billion, three hundred ten million, one hundred twenty-two thousand, three hundred ten".
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