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1141222031 is a prime number
BaseRepresentation
bin100010000000101…
…1010101010001111
32221112102002022122
41010001122222033
54314123101111
6305124203155
740165140635
oct10401325217
92845362278
101141222031
11536210004
1227a2394bb
13152584811
14ab7cd355
156a2c9cdb
hex4405aa8f

1141222031 has 2 divisors, whose sum is σ = 1141222032. Its totient is φ = 1141222030.

The previous prime is 1141222013. The next prime is 1141222039. The reversal of 1141222031 is 1302221411.

Together with previous prime (1141222013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141222031 - 214 = 1141205647 is a prime.

It is a super-2 number, since 2×11412220312 = 2604775448079529922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141222039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570611015 + 570611016.

It is an arithmetic number, because the mean of its divisors is an integer number (570611016).

Almost surely, 21141222031 is an apocalyptic number.

1141222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141222031 is an equidigital number, since it uses as much as digits as its factorization.

1141222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1141222031 is about 33781.9779024260. The cubic root of 1141222031 is about 1045.0170646542.

Adding to 1141222031 its reverse (1302221411), we get a palindrome (2443443442).

The spelling of 1141222031 in words is "one billion, one hundred forty-one million, two hundred twenty-two thousand, thirty-one".