Base | Representation |
---|---|
bin | 11101101001000110… |
… | …011000110101010011 |
3 | 10001011011002122010001 |
4 | 131221012120311103 |
5 | 1010140440201311 |
6 | 22342133350431 |
7 | 2204504663254 |
oct | 355106306523 |
9 | 101134078101 |
10 | 31828053331 |
11 | 12553119608 |
12 | 6203198417 |
13 | 3003028069 |
14 | 177d144b2b |
15 | c643744c1 |
hex | 769198d53 |
31828053331 has 2 divisors, whose sum is σ = 31828053332. Its totient is φ = 31828053330.
The previous prime is 31828053287. The next prime is 31828053337. The reversal of 31828053331 is 13335082813.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31828053331 - 27 = 31828053203 is a prime.
It is a super-2 number, since 2×318280533312 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (31828053337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15914026665 + 15914026666.
It is an arithmetic number, because the mean of its divisors is an integer number (15914026666).
Almost surely, 231828053331 is an apocalyptic number.
31828053331 is a deficient number, since it is larger than the sum of its proper divisors (1).
31828053331 is an equidigital number, since it uses as much as digits as its factorization.
31828053331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 51840, while the sum is 37.
The spelling of 31828053331 in words is "thirty-one billion, eight hundred twenty-eight million, fifty-three thousand, three hundred thirty-one".
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