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1241310131 = 1773018243
BaseRepresentation
bin100100111111100…
…1110001110110011
310012111202002101022
41021333032032303
510020233411011
6323101330055
742521650655
oct11177161663
93174662338
101241310131
11587761746
122a786692b
1316a229449
14bac046d5
1573e9a8db
hex49fce3b3

1241310131 has 4 divisors (see below), whose sum is σ = 1314328392. Its totient is φ = 1168291872.

The previous prime is 1241310121. The next prime is 1241310143. The reversal of 1241310131 is 1310131421.

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 1241310131 - 210 = 1241309107 is a prime.

It is a super-2 number, since 2×12413101312 = 3081701682646474322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 73018243 = 1241310131 / (1 + 2 + 4 + 1 + 3 + 1 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241310101) 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, 36509105 + ... + 36509138.

It is an arithmetic number, because the mean of its divisors is an integer number (328582098).

Almost surely, 21241310131 is an apocalyptic number.

1241310131 is a deficient number, since it is larger than the sum of its proper divisors (73018261).

1241310131 is an equidigital number, since it uses as much as digits as its factorization.

1241310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73018260.

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

The square root of 1241310131 is about 35232.2314223780. The cubic root of 1241310131 is about 1074.7153040219.

Adding to 1241310131 its reverse (1310131421), we get a palindrome (2551441552).

The spelling of 1241310131 in words is "one billion, two hundred forty-one million, three hundred ten thousand, one hundred thirty-one".

Divisors: 1 17 73018243 1241310131