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1103201131 = 13727972879
BaseRepresentation
bin100000111000001…
…1000001101101011
32211212212102110011
41001300120031223
54224404414011
6301245232351
736224024554
oct10160301553
92755772404
101103201131
1151680137a
122695626b7
13147731a46
14a673332b
1566cb9621
hex41c1836b

1103201131 has 8 divisors (see below), whose sum is σ = 1112037120. Its totient is φ = 1094376768.

The previous prime is 1103201129. The next prime is 1103201147. The reversal of 1103201131 is 1311023011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103201131 - 21 = 1103201129 is a prime.

It is a super-2 number, since 2×11032011312 = 2434105470879358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103201101) 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 in 7 ways as a sum of consecutive naturals, for example, 381750 + ... + 384628.

It is an arithmetic number, because the mean of its divisors is an integer number (139004640).

Almost surely, 21103201131 is an apocalyptic number.

1103201131 is a deficient number, since it is larger than the sum of its proper divisors (8835989).

1103201131 is a wasteful number, since it uses less digits than its factorization.

1103201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1103201131 is about 33214.4717103855. The cubic root of 1103201131 is about 1033.2804983623.

Adding to 1103201131 its reverse (1311023011), we get a palindrome (2414224142).

The spelling of 1103201131 in words is "one billion, one hundred three million, two hundred one thousand, one hundred thirty-one".

Divisors: 1 137 2797 2879 383189 394423 8052563 1103201131