Search a number
-
+
231141122101 = 826327973027
BaseRepresentation
bin1101011101000100010…
…1011010000000110101
3211002121121210121010001
43113101011122000311
512241334111401401
6254103524231301
722461615056311
oct3272105320065
9732547717101
10231141122101
118a03215714a
123896883b531
1318a47c32446
14b289cd0b41
15602c358601
hex35d115a035

231141122101 has 4 divisors (see below), whose sum is σ = 231169103392. Its totient is φ = 231113140812.

The previous prime is 231141122089. The next prime is 231141122111. The reversal of 231141122101 is 101221141132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231141122101 is a prime.

It is a super-2 number, since 2×2311411221012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231141122111) 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, 13978251 + ... + 13994776.

It is an arithmetic number, because the mean of its divisors is an integer number (57792275848).

Almost surely, 2231141122101 is an apocalyptic number.

It is an amenable number.

231141122101 is a deficient number, since it is larger than the sum of its proper divisors (27981291).

231141122101 is an equidigital number, since it uses as much as digits as its factorization.

231141122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27981290.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 231141122101 its reverse (101221141132), we get a palindrome (332362263233).

The spelling of 231141122101 in words is "two hundred thirty-one billion, one hundred forty-one million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 8263 27973027 231141122101