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31544234341 is a prime number
BaseRepresentation
bin11101011000001011…
…101101000101100101
310000102101001010122121
4131120023231011211
51004100310444331
622254034225541
72164460365534
oct353013550545
9100371033577
1031544234341
1112417997164
1261441252b1
132c892a4329
14175358431b
15c494aec11
hex7582ed165

31544234341 has 2 divisors, whose sum is σ = 31544234342. Its totient is φ = 31544234340.

The previous prime is 31544234339. The next prime is 31544234347. The reversal of 31544234341 is 14343244513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30342156100 + 1202078241 = 174190^2 + 34671^2 .

It is a cyclic number.

It is not a de Polignac number, because 31544234341 - 21 = 31544234339 is a prime.

Together with 31544234339, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 31544234297 and 31544234306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31544234347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15772117170 + 15772117171.

It is an arithmetic number, because the mean of its divisors is an integer number (15772117171).

Almost surely, 231544234341 is an apocalyptic number.

It is an amenable number.

31544234341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31544234341 is an equidigital number, since it uses as much as digits as its factorization.

31544234341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

Adding to 31544234341 its reverse (14343244513), we get a palindrome (45887478854).

The spelling of 31544234341 in words is "thirty-one billion, five hundred forty-four million, two hundred thirty-four thousand, three hundred forty-one".