Search a number
-
+
1131130829 is a prime number
BaseRepresentation
bin100001101101011…
…1010111111001101
32220211102101210102
41003122322333031
54304032141304
6304124020445
740013311343
oct10332727715
92824371712
101131130829
11530548374
12276991725
131504605aa
14aa323993
1569484d1e
hex436bafcd

1131130829 has 2 divisors, whose sum is σ = 1131130830. Its totient is φ = 1131130828.

The previous prime is 1131130813. The next prime is 1131130843. The reversal of 1131130829 is 9280311311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081752100 + 49378729 = 32890^2 + 7027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131130829 - 24 = 1131130813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131130729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565565414 + 565565415.

It is an arithmetic number, because the mean of its divisors is an integer number (565565415).

Almost surely, 21131130829 is an apocalyptic number.

It is an amenable number.

1131130829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131130829 is an equidigital number, since it uses as much as digits as its factorization.

1131130829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1131130829 is about 33632.2884888911. The cubic root of 1131130829 is about 1041.9277696600.

The spelling of 1131130829 in words is "one billion, one hundred thirty-one million, one hundred thirty thousand, eight hundred twenty-nine".