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1001102131 = 13118142221
BaseRepresentation
bin111011101010111…
…001101100110011
32120202202020221201
4323222321230303
54022240232011
6243201032031
733544141051
oct7352715463
92522666851
101001102131
11474106937
1223b325617
1312c534a33
1496d571d1
155cd4ccc1
hex3bab9b33

1001102131 has 8 divisors (see below), whose sum is σ = 1014341328. Its totient is φ = 987948000.

The previous prime is 1001102129. The next prime is 1001102149. The reversal of 1001102131 is 1312011001.

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 1001102131 - 21 = 1001102129 is a prime.

It is a super-2 number, since 2×10011021312 = 2004410953385482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001102231) 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, 2601 + ... + 44821.

It is an arithmetic number, because the mean of its divisors is an integer number (126792666).

Almost surely, 21001102131 is an apocalyptic number.

1001102131 is a deficient number, since it is larger than the sum of its proper divisors (13239197).

1001102131 is a wasteful number, since it uses less digits than its factorization.

1001102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42533.

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

The square root of 1001102131 is about 31640.1980240327. The cubic root of 1001102131 is about 1000.3672421167.

Adding to 1001102131 its reverse (1312011001), we get a palindrome (2313113132).

The spelling of 1001102131 in words is "one billion, one million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 131 181 23711 42221 5530951 7642001 1001102131