Search a number
-
+
131422327 = 132199487
BaseRepresentation
bin1111101010101…
…01100001110111
3100011021221112121
413311111201313
5232121003302
621012500411
73154033321
oct765254167
9304257477
10131422327
11682035a3
123801a707
13212c5cba
1413650611
15b80ee37
hex7d55877

131422327 has 4 divisors (see below), whose sum is σ = 131523136. Its totient is φ = 131321520.

The previous prime is 131422301. The next prime is 131422363. The reversal of 131422327 is 723224131.

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 131422327 - 211 = 131420279 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 (131420327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48423 + ... + 51064.

It is an arithmetic number, because the mean of its divisors is an integer number (32880784).

Almost surely, 2131422327 is an apocalyptic number.

131422327 is a deficient number, since it is larger than the sum of its proper divisors (100809).

131422327 is an equidigital number, since it uses as much as digits as its factorization.

131422327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100808.

The product of its digits is 2016, while the sum is 25.

The square root of 131422327 is about 11463.9577371866. The cubic root of 131422327 is about 508.4204970542.

Adding to 131422327 its reverse (723224131), we get a palindrome (854646458).

The spelling of 131422327 in words is "one hundred thirty-one million, four hundred twenty-two thousand, three hundred twenty-seven".

Divisors: 1 1321 99487 131422327