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1192315031 is a prime number
BaseRepresentation
bin100011100010001…
…0100100010010111
310002002112212201222
41013010110202113
54420213040111
6314151240555
741355340055
oct10704244227
93062485658
101192315031
11562037a26
1229337915b
1316003356b
14b44cd1d5
156ea1d7db
hex47114897

1192315031 has 2 divisors, whose sum is σ = 1192315032. Its totient is φ = 1192315030.

The previous prime is 1192315021. The next prime is 1192315057. The reversal of 1192315031 is 1305132911.

It is an a-pointer prime, because the next prime (1192315057) can be obtained adding 1192315031 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (1305132911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1192315031 - 230 = 118573207 is a prime.

It is a super-2 number, since 2×11923150312 = 2843230266297061922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1192315001) 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, 596157515 + 596157516.

It is an arithmetic number, because the mean of its divisors is an integer number (596157516).

Almost surely, 21192315031 is an apocalyptic number.

1192315031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1192315031 is an equidigital number, since it uses as much as digits as its factorization.

1192315031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 1192315031 is about 34529.9150158236. The cubic root of 1192315031 is about 1060.3852376306.

Adding to 1192315031 its reverse (1305132911), we get a palindrome (2497447942).

The spelling of 1192315031 in words is "one billion, one hundred ninety-two million, three hundred fifteen thousand, thirty-one".