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131022443341 = 275669475289
BaseRepresentation
bin111101000000110001…
…0111101001101001101
3110112012011211202012201
41322001202331031031
54121313221141331
6140105121401501
712315600251506
oct1720142751515
9415164752181
10131022443341
1150625831a29
1221487199291
13c48096c2aa
1464ad1b9bad
15361c9c9a61
hex1e818bd34d

131022443341 has 4 divisors (see below), whose sum is σ = 131023194300. Its totient is φ = 131021692384.

The previous prime is 131022443291. The next prime is 131022443393. The reversal of 131022443341 is 143344220131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36668420100 + 94354023241 = 191490^2 + 307171^2 .

It is a cyclic number.

It is not a de Polignac number, because 131022443341 - 223 = 131014054733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022444341) 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, 38025 + ... + 513313.

It is an arithmetic number, because the mean of its divisors is an integer number (32755798575).

Almost surely, 2131022443341 is an apocalyptic number.

It is an amenable number.

131022443341 is a deficient number, since it is larger than the sum of its proper divisors (750959).

131022443341 is an equidigital number, since it uses as much as digits as its factorization.

131022443341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750958.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131022443341 its reverse (143344220131), we get a palindrome (274366663472).

The spelling of 131022443341 in words is "one hundred thirty-one billion, twenty-two million, four hundred forty-three thousand, three hundred forty-one".

Divisors: 1 275669 475289 131022443341