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34243040131 = 133972556023
BaseRepresentation
bin11111111001000010…
…110101001110000011
310021101110022200012121
4133321002311032003
51030112204241011
623421523105111
72321401016146
oct377102651603
9107343280177
1034243040131
1113582337973
126777b12197
1332c9460331
14192bb8605d
15d563aae71
hex7f90b5383

34243040131 has 4 divisors (see below), whose sum is σ = 34245609552. Its totient is φ = 34240470712.

The previous prime is 34243040077. The next prime is 34243040147. The reversal of 34243040131 is 13104034243.

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 34243040131 - 27 = 34243040003 is a prime.

It is a super-2 number, since 2×342430401312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34243040096 and 34243040105.

It is not an unprimeable number, because it can be changed into a prime (34243044131) 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, 1264615 + ... + 1291408.

It is an arithmetic number, because the mean of its divisors is an integer number (8561402388).

Almost surely, 234243040131 is an apocalyptic number.

34243040131 is a deficient number, since it is larger than the sum of its proper divisors (2569421).

34243040131 is a wasteful number, since it uses less digits than its factorization.

34243040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569420.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 34243040131 its reverse (13104034243), we get a palindrome (47347074374).

The spelling of 34243040131 in words is "thirty-four billion, two hundred forty-three million, forty thousand, one hundred thirty-one".

Divisors: 1 13397 2556023 34243040131