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1231010041 = 4726191703
BaseRepresentation
bin100100101011111…
…1011100011111001
310011210100210022111
41021113323203321
510010114310131
6322052452321
742335261362
oct11127734371
93153323274
101231010041
11581967078
122a431a0a1
13168061111
14b96c2b69
1573113ab1
hex495fb8f9

1231010041 has 4 divisors (see below), whose sum is σ = 1257201792. Its totient is φ = 1204818292.

The previous prime is 1231010003. The next prime is 1231010051. The reversal of 1231010041 is 1400101321.

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-1231010041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231010051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13095805 + ... + 13095898.

It is an arithmetic number, because the mean of its divisors is an integer number (314300448).

Almost surely, 21231010041 is an apocalyptic number.

It is an amenable number.

1231010041 is a deficient number, since it is larger than the sum of its proper divisors (26191751).

1231010041 is an equidigital number, since it uses as much as digits as its factorization.

1231010041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26191750.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1231010041 is about 35085.7526782596. The cubic root of 1231010041 is about 1071.7344684774.

Adding to 1231010041 its reverse (1400101321), we get a palindrome (2631111362).

The spelling of 1231010041 in words is "one billion, two hundred thirty-one million, ten thousand, forty-one".

Divisors: 1 47 26191703 1231010041