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131130202 = 279366443
BaseRepresentation
bin1111101000011…
…10001101011010
3100010202002211011
413310032031122
5232032131302
621002324134
73151405540
oct764161532
9303662734
10131130202
1168024075
1237ab964a
1321223048
14135b5d90
15b7a35d7
hex7d0e35a

131130202 has 8 divisors (see below), whose sum is σ = 224794656. Its totient is φ = 56198652.

The previous prime is 131130173. The next prime is 131130203. The reversal of 131130202 is 202031131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131130203) 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, 4683208 + ... + 4683235.

It is an arithmetic number, because the mean of its divisors is an integer number (28099332).

Almost surely, 2131130202 is an apocalyptic number.

131130202 is a deficient number, since it is larger than the sum of its proper divisors (93664454).

131130202 is an equidigital number, since it uses as much as digits as its factorization.

131130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366452.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131130202 is about 11451.2096304277. The cubic root of 131130202 is about 508.0435126099.

Adding to 131130202 its reverse (202031131), we get a palindrome (333161333).

It can be divided in two parts, 1311 and 30202, that added together give a palindrome (31513).

The spelling of 131130202 in words is "one hundred thirty-one million, one hundred thirty thousand, two hundred two".

Divisors: 1 2 7 14 9366443 18732886 65565101 131130202