Search a number
-
+
131310141 = 3311411937
BaseRepresentation
bin1111101001110…
…10001000111101
3100011002020122120
413310322020331
5232103411031
621010233153
73153055254
oct764721075
9304066576
10131310141
1168137286
1237b857b9
1321286c11
141362179b
15b7dba96
hex7d3a23d

131310141 has 8 divisors (see below), whose sum is σ = 180728064. Its totient is φ = 84716160.

The previous prime is 131310119. The next prime is 131310187. The reversal of 131310141 is 141013131.

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

It is not a de Polignac number, because 131310141 - 213 = 131301949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131310141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310191) 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, 705876 + ... + 706061.

It is an arithmetic number, because the mean of its divisors is an integer number (22591008).

Almost surely, 2131310141 is an apocalyptic number.

It is an amenable number.

131310141 is a deficient number, since it is larger than the sum of its proper divisors (49417923).

131310141 is a wasteful number, since it uses less digits than its factorization.

131310141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411971.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 131310141 is about 11459.0637052073. The cubic root of 131310141 is about 508.2757882604.

Adding to 131310141 its reverse (141013131), we get a palindrome (272323272).

The spelling of 131310141 in words is "one hundred thirty-one million, three hundred ten thousand, one hundred forty-one".

Divisors: 1 3 31 93 1411937 4235811 43770047 131310141