Base | Representation |
---|---|
bin | 1110000110111000110111… |
… | …01100001000000101101110 |
3 | 11001211202211010202112200020 |
4 | 13003130123230020011232 |
5 | 13031240112403100220 |
6 | 145551435305143010 |
7 | 6351224122260510 |
oct | 703343354100556 |
9 | 131752733675606 |
10 | 31023013331310 |
11 | 9980871291420 |
12 | 359057448aa66 |
13 | 14405c4483ba0 |
14 | 793743d91bb0 |
15 | 38bea6ad5040 |
hex | 1c371bb0816e |
31023013331310 has 256 divisors, whose sum is σ = 103415034562560. Its totient is φ = 5745279375360.
The previous prime is 31023013331293. The next prime is 31023013331341. The reversal of 31023013331310 is 1313331032013.
It is a super-2 number, since 2×310230133313102 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16940637 + ... + 18682376.
It is an arithmetic number, because the mean of its divisors is an integer number (403964978760).
Almost surely, 231023013331310 is an apocalyptic number.
31023013331310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31023013331310 is an abundant number, since it is smaller than the sum of its proper divisors (72392021231250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31023013331310 is a wasteful number, since it uses less digits than its factorization.
31023013331310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35623083.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 31023013331310 its reverse (1313331032013), we get a palindrome (32336344363323).
The spelling of 31023013331310 in words is "thirty-one trillion, twenty-three billion, thirteen million, three hundred thirty-one thousand, three hundred ten".
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