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1101422131 = 7571454983
BaseRepresentation
bin100000110100110…
…0101111000110011
32211202112001010021
41001221211320303
54223431002011
6301143144311
736202635145
oct10151457063
92752461107
101101422131
115157a6827
12268a45097
1314725b094
14a63ccc95
1566a67471
hex41a65e33

1101422131 has 4 divisors (see below), whose sum is σ = 1102877872. Its totient is φ = 1099966392.

The previous prime is 1101422107. The next prime is 1101422143. The reversal of 1101422131 is 1312241011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101422131 - 221 = 1099324979 is a prime.

It is a super-2 number, since 2×11014221312 = 2426261421313162322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101422431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726735 + ... + 728248.

It is an arithmetic number, because the mean of its divisors is an integer number (275719468).

Almost surely, 21101422131 is an apocalyptic number.

1101422131 is a deficient number, since it is larger than the sum of its proper divisors (1455741).

1101422131 is an equidigital number, since it uses as much as digits as its factorization.

1101422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455740.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1101422131 is about 33187.6804100558. The cubic root of 1101422131 is about 1032.7247837466.

Adding to 1101422131 its reverse (1312241011), we get a palindrome (2413663142).

It can be divided in two parts, 110 and 1422131, that added together give a palindrome (1422241).

The spelling of 1101422131 in words is "one billion, one hundred one million, four hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 757 1454983 1101422131