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131361163 = 346737889
BaseRepresentation
bin1111101010001…
…10100110001011
3100011011211122021
413311012212023
5232112024123
621011305311
73153360103
oct765064613
9304154567
10131361163
116817164a
1237bab237
13212a41cb
1413636203
15b7ebc5d
hex7d4698b

131361163 has 4 divisors (see below), whose sum is σ = 131402520. Its totient is φ = 131319808.

The previous prime is 131361143. The next prime is 131361169. The reversal of 131361163 is 361163131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131361163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131361169) 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, 15478 + ... + 22411.

It is an arithmetic number, because the mean of its divisors is an integer number (32850630).

Almost surely, 2131361163 is an apocalyptic number.

131361163 is a deficient number, since it is larger than the sum of its proper divisors (41357).

131361163 is an equidigital number, since it uses as much as digits as its factorization.

131361163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41356.

The product of its digits is 972, while the sum is 25.

The square root of 131361163 is about 11461.2897616281. The cubic root of 131361163 is about 508.3416117855.

The spelling of 131361163 in words is "one hundred thirty-one million, three hundred sixty-one thousand, one hundred sixty-three".

Divisors: 1 3467 37889 131361163