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103231043 = 810112743
BaseRepresentation
bin1100010011100…
…10111001000011
321012020200100222
412021302321003
5202411343133
614124333255
72362310066
oct611627103
9235220328
10103231043
11532a9013
122a6a422b
1318505376
14d9d28dd
1590e1e98
hex6272e43

103231043 has 4 divisors (see below), whose sum is σ = 103251888. Its totient is φ = 103210200.

The previous prime is 103231027. The next prime is 103231049. The reversal of 103231043 is 340132301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340132301 = 463734627.

It is a cyclic number.

It is not a de Polignac number, because 103231043 - 24 = 103231027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103231049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (25812972).

Almost surely, 2103231043 is an apocalyptic number.

103231043 is a deficient number, since it is larger than the sum of its proper divisors (20845).

103231043 is an equidigital number, since it uses as much as digits as its factorization.

103231043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20844.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103231043 is about 10160.2678606423. The cubic root of 103231043 is about 469.1050466111.

Adding to 103231043 its reverse (340132301), we get a palindrome (443363344).

The spelling of 103231043 in words is "one hundred three million, two hundred thirty-one thousand, forty-three".

Divisors: 1 8101 12743 103231043