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1101120031 = 11313229091
BaseRepresentation
bin100000110100001…
…1100001000011111
32211201221200201101
41001220130020133
54223341320111
6301132453531
736200236324
oct10150341037
92751850641
101101120031
1151560a860
1226891a2a7
1314718371b
14a6350b4b
1566a07bc1
hex41a1c21f

1101120031 has 8 divisors (see below), whose sum is σ = 1239971328. Its totient is φ = 968727000.

The previous prime is 1101120029. The next prime is 1101120047. The reversal of 1101120031 is 1300211011.

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 1101120031 - 21 = 1101120029 is a prime.

It is a super-2 number, since 2×11011200312 = 2424930645338881922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101120131) 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, 1614205 + ... + 1614886.

It is an arithmetic number, because the mean of its divisors is an integer number (154996416).

Almost surely, 21101120031 is an apocalyptic number.

1101120031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101120031 is a deficient number, since it is larger than the sum of its proper divisors (138851297).

1101120031 is a wasteful number, since it uses less digits than its factorization.

1101120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229133.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101120031 is about 33183.1287102347. The cubic root of 1101120031 is about 1032.6303559226.

Adding to 1101120031 its reverse (1300211011), we get a palindrome (2401331042).

The spelling of 1101120031 in words is "one billion, one hundred one million, one hundred twenty thousand, thirty-one".

Divisors: 1 11 31 341 3229091 35520001 100101821 1101120031