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1130830231 is a prime number
BaseRepresentation
bin100001101100111…
…0001100110010111
32220210212010110011
41003121301212113
54303443031411
6304113341051
740010620066
oct10331614627
92823763404
101130830231
11530362543
12276867787
1315038681b
14aa2861dd
1569425c21
hex43671997

1130830231 has 2 divisors, whose sum is σ = 1130830232. Its totient is φ = 1130830230.

The previous prime is 1130830229. The next prime is 1130830241. The reversal of 1130830231 is 1320380311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1320380311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130830231 - 21 = 1130830229 is a prime.

It is a super-2 number, since 2×11308302312 = 2557554022687026722, which contains 22 as substring.

Together with 1130830229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130830241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565415115 + 565415116.

It is an arithmetic number, because the mean of its divisors is an integer number (565415116).

Almost surely, 21130830231 is an apocalyptic number.

1130830231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130830231 is an equidigital number, since it uses as much as digits as its factorization.

1130830231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1130830231 is about 33627.8193018816. The cubic root of 1130830231 is about 1041.8354640533.

The spelling of 1130830231 in words is "one billion, one hundred thirty million, eight hundred thirty thousand, two hundred thirty-one".