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141231131 = 294870039
BaseRepresentation
bin10000110101100…
…00010000011011
3100211202021200122
420122300100123
5242123344011
622003023455
73333305366
oct1032602033
9324667618
10141231131
11727a3048
123b36ab8b
132334b822
1414a850dd
15c5eb3db
hex86b041b

141231131 has 4 divisors (see below), whose sum is σ = 146101200. Its totient is φ = 136361064.

The previous prime is 141231107. The next prime is 141231137. The reversal of 141231131 is 131132141.

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 141231131 - 26 = 141231067 is a prime.

It is a super-2 number, since 2×1412311312 = 39892464727078322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141231137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434991 + ... + 2435048.

It is an arithmetic number, because the mean of its divisors is an integer number (36525300).

Almost surely, 2141231131 is an apocalyptic number.

141231131 is a deficient number, since it is larger than the sum of its proper divisors (4870069).

141231131 is an equidigital number, since it uses as much as digits as its factorization.

141231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870068.

The product of its digits is 72, while the sum is 17.

The square root of 141231131 is about 11884.0704726958. The cubic root of 141231131 is about 520.7670275542.

Adding to 141231131 its reverse (131132141), we get a palindrome (272363272).

The spelling of 141231131 in words is "one hundred forty-one million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 29 4870039 141231131