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131013163 = 416175179
BaseRepresentation
bin1111100111100…
…01101000101011
3100010112011021101
413303301220223
5232014410123
621000022231
73150410401
oct763615053
9303464241
10131013163
1167a54146
1237a61977
13211b19a8
1413585471
15b77daad
hex7cf1a2b

131013163 has 8 divisors (see below), whose sum is σ = 134452080. Its totient is φ = 127585920.

The previous prime is 131013149. The next prime is 131013229. The reversal of 131013163 is 361310131.

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

It is a cyclic number.

It is not a de Polignac number, because 131013163 - 225 = 97458731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131013163.

It is not an unprimeable number, because it can be changed into a prime (131013133) 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, 22708 + ... + 27886.

It is an arithmetic number, because the mean of its divisors is an integer number (16806510).

Almost surely, 2131013163 is an apocalyptic number.

131013163 is a deficient number, since it is larger than the sum of its proper divisors (3438917).

131013163 is an equidigital number, since it uses as much as digits as its factorization.

131013163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 131013163 is about 11446.0981561404. The cubic root of 131013163 is about 507.8923178356.

Adding to 131013163 its reverse (361310131), we get a palindrome (492323294).

It can be divided in two parts, 13 and 1013163, that added together give a triangular number (1013176 = T1423).

The spelling of 131013163 in words is "one hundred thirty-one million, thirteen thousand, one hundred sixty-three".

Divisors: 1 41 617 5179 25297 212339 3195443 131013163