Search a number
-
+
131315063 = 1111937733
BaseRepresentation
bin1111101001110…
…11010101110111
3100011002111101212
413310323111313
5232104040223
621010312035
73153105515
oct764732567
9304074355
10131315063
116813aa50
1237b8861b
1321289229
14136234b5
15b7dd278
hex7d3b577

131315063 has 4 divisors (see below), whose sum is σ = 143252808. Its totient is φ = 119377320.

The previous prime is 131315059. The next prime is 131315071. The reversal of 131315063 is 360513131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131315063 - 22 = 131315059 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 (131315003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5968856 + ... + 5968877.

It is an arithmetic number, because the mean of its divisors is an integer number (35813202).

Almost surely, 2131315063 is an apocalyptic number.

131315063 is a deficient number, since it is larger than the sum of its proper divisors (11937745).

131315063 is a wasteful number, since it uses less digits than its factorization.

131315063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937744.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 131315063 is about 11459.2784676872. The cubic root of 131315063 is about 508.2821388797.

Adding to 131315063 its reverse (360513131), we get a palindrome (491828194).

The spelling of 131315063 in words is "one hundred thirty-one million, three hundred fifteen thousand, sixty-three".

Divisors: 1 11 11937733 131315063