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248318131 is a prime number
BaseRepresentation
bin11101100110100…
…00100010110011
3122022020212102211
432303100202303
51002032140011
640350152551
76103445365
oct1663204263
9568225384
10248318131
111181950a6
126b1b2757
133c5a4009
1424d9cd35
1516c00b21
hexecd08b3

248318131 has 2 divisors, whose sum is σ = 248318132. Its totient is φ = 248318130.

The previous prime is 248318107. The next prime is 248318149. The reversal of 248318131 is 131813842.

248318131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248318131 - 215 = 248285363 is a prime.

It is a super-2 number, since 2×2483181312 = 123323788366666322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248318093 and 248318102.

It is not a weakly prime, because it can be changed into another prime (248318101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124159065 + 124159066.

It is an arithmetic number, because the mean of its divisors is an integer number (124159066).

Almost surely, 2248318131 is an apocalyptic number.

248318131 is a deficient number, since it is larger than the sum of its proper divisors (1).

248318131 is an equidigital number, since it uses as much as digits as its factorization.

248318131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 248318131 is about 15758.1131802002. The cubic root of 248318131 is about 628.5446636897.

The spelling of 248318131 in words is "two hundred forty-eight million, three hundred eighteen thousand, one hundred thirty-one".