Base | Representation |
---|---|
bin | 11101000101101000… |
… | …111011111101000110 |
3 | 2222121200122102011002 |
4 | 131011220323331012 |
5 | 1002431140132220 |
6 | 22203122213302 |
7 | 2153662140644 |
oct | 350550737506 |
9 | 88550572132 |
10 | 31233130310 |
11 | 12278319098 |
12 | 6077ab4232 |
13 | 2c399b92c5 |
14 | 1724120194 |
15 | c2c00ac75 |
hex | 745a3bf46 |
31233130310 has 32 divisors (see below), whose sum is σ = 57298108320. Its totient is φ = 12254522112.
The previous prime is 31233130277. The next prime is 31233130387. The reversal of 31233130310 is 1303133213.
It is a super-2 number, since 2×312331303102 (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 211712 + ... + 327548.
It is an arithmetic number, because the mean of its divisors is an integer number (1790565885).
Almost surely, 231233130310 is an apocalyptic number.
31233130310 is a deficient number, since it is larger than the sum of its proper divisors (26064978010).
31233130310 is a wasteful number, since it uses less digits than its factorization.
31233130310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116360.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 31233130310 its reverse (1303133213), we get a palindrome (32536263523).
The spelling of 31233130310 in words is "thirty-one billion, two hundred thirty-three million, one hundred thirty thousand, three hundred ten".
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