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1122328231 is a prime number
BaseRepresentation
bin100001011100101…
…0101111010100111
32220012212011220021
41002321111322213
54244304000411
6303211220011
736545426653
oct10271257247
92805764807
101122328231
115265858a2
12273a47607
1314b69aa5b
14a90b1a63
15687e6a71
hex42e55ea7

1122328231 has 2 divisors, whose sum is σ = 1122328232. Its totient is φ = 1122328230.

The previous prime is 1122328223. The next prime is 1122328237. The reversal of 1122328231 is 1328232211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1328232211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122328231 - 23 = 1122328223 is a prime.

It is a super-2 number, since 2×11223282312 = 2519241316199178722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122328196 and 1122328205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122328237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561164115 + 561164116.

It is an arithmetic number, because the mean of its divisors is an integer number (561164116).

Almost surely, 21122328231 is an apocalyptic number.

1122328231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122328231 is an equidigital number, since it uses as much as digits as its factorization.

1122328231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 1122328231 is about 33501.1676065178. The cubic root of 1122328231 is about 1039.2179250363.

The spelling of 1122328231 in words is "one billion, one hundred twenty-two million, three hundred twenty-eight thousand, two hundred thirty-one".