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1148029331 is a prime number
BaseRepresentation
bin100010001101101…
…1000100110010011
32222000012221011212
41010123120212103
54322343414311
6305530130335
740310042201
oct10433304623
92860187155
101148029331
1153a03a479
122805809ab
13153ac90c7
14ac682071
156abc1c8b
hex446d8993

1148029331 has 2 divisors, whose sum is σ = 1148029332. Its totient is φ = 1148029330.

The previous prime is 1148029313. The next prime is 1148029367. The reversal of 1148029331 is 1339208411.

Together with previous prime (1148029313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1339208411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1148029331 - 214 = 1148012947 is a prime.

It is a super-2 number, since 2×11480293312 = 2635942689672615122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1148029301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574014665 + 574014666.

It is an arithmetic number, because the mean of its divisors is an integer number (574014666).

Almost surely, 21148029331 is an apocalyptic number.

1148029331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148029331 is an equidigital number, since it uses as much as digits as its factorization.

1148029331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1148029331 is about 33882.5815279769. The cubic root of 1148029331 is about 1047.0907619273.

The spelling of 1148029331 in words is "one billion, one hundred forty-eight million, twenty-nine thousand, three hundred thirty-one".