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120131001101 = 711691985931
BaseRepresentation
bin110111111100001011…
…1011001101100001101
3102111002010200011020002
41233320113121230031
53432012014013401
6131104252134045
711451646442546
oct1577027315415
9374063604202
10120131001101
1146a469001a1
121b347767325
13b436393707
145b588c74cd
1531d1730a6b
hex1bf85d9b0d

120131001101 has 4 divisors (see below), whose sum is σ = 121822987104. Its totient is φ = 118439015100.

The previous prime is 120131001091. The next prime is 120131001103. The reversal of 120131001101 is 101100131021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120131001101 - 234 = 102951131917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131001103) 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, 845992895 + ... + 845993036.

It is an arithmetic number, because the mean of its divisors is an integer number (30455746776).

Almost surely, 2120131001101 is an apocalyptic number.

It is an amenable number.

120131001101 is a deficient number, since it is larger than the sum of its proper divisors (1691986003).

120131001101 is an equidigital number, since it uses as much as digits as its factorization.

120131001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691986002.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 120131001101 its reverse (101100131021), we get a palindrome (221231132122).

The spelling of 120131001101 in words is "one hundred twenty billion, one hundred thirty-one million, one thousand, one hundred one".

Divisors: 1 71 1691985931 120131001101