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1193031131 is a prime number
BaseRepresentation
bin100011100011100…
…0011010111011011
310002010220021001012
41013013003113123
54420403444011
6314214444135
741364411605
oct10707032733
93063807035
101193031131
11562486a46
1229366364b
131602244a6
14b4638175
156eb10a8b
hex471c35db

1193031131 has 2 divisors, whose sum is σ = 1193031132. Its totient is φ = 1193031130.

The previous prime is 1193031101. The next prime is 1193031139. The reversal of 1193031131 is 1311303911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1193031131 - 210 = 1193030107 is a prime.

It is a super-2 number, since 2×11930311312 = 2846646559070278322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1193031097 and 1193031106.

It is not a weakly prime, because it can be changed into another prime (1193031139) 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, 596515565 + 596515566.

It is an arithmetic number, because the mean of its divisors is an integer number (596515566).

Almost surely, 21193031131 is an apocalyptic number.

1193031131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1193031131 is an equidigital number, since it uses as much as digits as its factorization.

1193031131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 1193031131 is about 34540.2827290108. The cubic root of 1193031131 is about 1060.5974829630.

The spelling of 1193031131 in words is "one billion, one hundred ninety-three million, thirty-one thousand, one hundred thirty-one".