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131112002 = 2731130113
BaseRepresentation
bin1111101000010…
…01110001000010
3100010201011212002
413310021301002
5232031041002
621002104002
73151301510
oct764116102
9303634762
10131112002
116801142a
1237aab002
1321217988
14135ad4b0
15b79d002
hex7d09c42

131112002 has 16 divisors (see below), whose sum is σ = 225493632. Its totient is φ = 56008320.

The previous prime is 131112001. The next prime is 131112013. The reversal of 131112002 is 200211131.

It is not an unprimeable number, because it can be changed into a prime (131112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10703 + ... + 19410.

It is an arithmetic number, because the mean of its divisors is an integer number (14093352).

Almost surely, 2131112002 is an apocalyptic number.

131112002 is a deficient number, since it is larger than the sum of its proper divisors (94381630).

131112002 is a wasteful number, since it uses less digits than its factorization.

131112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30433.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 131112002 is about 11450.4149269797. The cubic root of 131112002 is about 508.0200071687.

Adding to 131112002 its reverse (200211131), we get a palindrome (331323133).

The spelling of 131112002 in words is "one hundred thirty-one million, one hundred twelve thousand, two".

Divisors: 1 2 7 14 311 622 2177 4354 30113 60226 210791 421582 9365143 18730286 65556001 131112002