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1131233241 = 31033660949
BaseRepresentation
bin100001101101101…
…0011111111011001
32220211121121021110
41003123103333121
54304043430431
6304130130533
740014216045
oct10333237731
92824547243
101131233241
11530608306
12276a20a49
131504980a8
14aa34d025
15694a5346
hex436d3fd9

1131233241 has 8 divisors (see below), whose sum is σ = 1522955200. Its totient is φ = 746833392.

The previous prime is 1131233239. The next prime is 1131233263. The reversal of 1131233241 is 1423321311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131233241 - 21 = 1131233239 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131233041) 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 in 7 ways as a sum of consecutive naturals, for example, 1830166 + ... + 1830783.

It is an arithmetic number, because the mean of its divisors is an integer number (190369400).

Almost surely, 21131233241 is an apocalyptic number.

It is an amenable number.

1131233241 is a deficient number, since it is larger than the sum of its proper divisors (391721959).

1131233241 is a wasteful number, since it uses less digits than its factorization.

1131233241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661055.

The product of its digits is 432, while the sum is 21.

The square root of 1131233241 is about 33633.8109794296. The cubic root of 1131233241 is about 1041.9592139114.

Adding to 1131233241 its reverse (1423321311), we get a palindrome (2554554552).

The spelling of 1131233241 in words is "one billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred forty-one".

Divisors: 1 3 103 309 3660949 10982847 377077747 1131233241