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120131103 = 340043701
BaseRepresentation
bin1110010100100…
…00111000011111
322101001021220010
413022100320133
5221223143403
615530454303
72656045311
oct712207037
9271037803
10120131103
11618a1304
1234294393
131bb717c1
1411d517b1
15a82e603
hex7290e1f

120131103 has 4 divisors (see below), whose sum is σ = 160174808. Its totient is φ = 80087400.

The previous prime is 120131069. The next prime is 120131111. The reversal of 120131103 is 301131021.

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

It is not a de Polignac number, because 120131103 - 213 = 120122911 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 (120136103) 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, 20021848 + ... + 20021853.

It is an arithmetic number, because the mean of its divisors is an integer number (40043702).

Almost surely, 2120131103 is an apocalyptic number.

120131103 is a deficient number, since it is larger than the sum of its proper divisors (40043705).

120131103 is an equidigital number, since it uses as much as digits as its factorization.

120131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043704.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 120131103 is about 10960.4335224479. The cubic root of 120131103 is about 493.4219760467.

Adding to 120131103 its reverse (301131021), we get a palindrome (421262124).

The spelling of 120131103 in words is "one hundred twenty million, one hundred thirty-one thousand, one hundred three".

Divisors: 1 3 40043701 120131103