Base | Representation |
---|---|
bin | 1110001111010011100011… |
… | …10111101110110101110110 |
3 | 11002212102022120221022101220 |
4 | 13013221301313232311312 |
5 | 13101004412314214110 |
6 | 150332345231131210 |
7 | 6411143023505034 |
oct | 707516167566566 |
9 | 132772276838356 |
10 | 31312222023030 |
11 | 9a8249102a023 |
12 | 3618627973b06 |
13 | 1461964696680 |
14 | 7a373bc29554 |
15 | 394781bc9370 |
hex | 1c7a71deed76 |
31312222023030 has 32 divisors (see below), whose sum is σ = 80930050768224. Its totient is φ = 7707623882496.
The previous prime is 31312222023001. The next prime is 31312222023059. The reversal of 31312222023030 is 3032022221313.
It is an interprime number because it is at equal distance from previous prime (31312222023001) and next prime (31312222023059).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40143873999 + ... + 40143874778.
It is an arithmetic number, because the mean of its divisors is an integer number (2529064086507).
Almost surely, 231312222023030 is an apocalyptic number.
31312222023030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31312222023030 is an abundant number, since it is smaller than the sum of its proper divisors (49617828745194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31312222023030 is a wasteful number, since it uses less digits than its factorization.
31312222023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80287748800.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 31312222023030 its reverse (3032022221313), we get a palindrome (34344244244343).
The spelling of 31312222023030 in words is "thirty-one trillion, three hundred twelve billion, two hundred twenty-two million, twenty-three thousand, thirty".
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