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13223232031 is a prime number
BaseRepresentation
bin11000101000010101…
…01000001000011111
31021010112211210020111
430110022220020133
5204040121411111
610024043430451
7645453421612
oct142412501037
937115753214
1013223232031
115676195a39
122690525427
131329701569
148d6278179
15525d49a21
hex3142a821f

13223232031 has 2 divisors, whose sum is σ = 13223232032. Its totient is φ = 13223232030.

The previous prime is 13223232007. The next prime is 13223232053. The reversal of 13223232031 is 13023232231.

It is an a-pointer prime, because the next prime (13223232053) can be obtained adding 13223232031 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (13023232231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13223232031 - 215 = 13223199263 is a prime.

It is a super-2 number, since 2×132232320312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13223231993 and 13223232011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223232331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611616015 + 6611616016.

It is an arithmetic number, because the mean of its divisors is an integer number (6611616016).

Almost surely, 213223232031 is an apocalyptic number.

13223232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223232031 is an equidigital number, since it uses as much as digits as its factorization.

13223232031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13223232031 its reverse (13023232231), we get a palindrome (26246464262).

The spelling of 13223232031 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-one".