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32123120231 is a prime number
BaseRepresentation
bin11101111010101011…
…111110101001100111
310001220201022120210202
4131322223332221213
51011242004321411
622431313541115
72215020005516
oct357253765147
9101821276722
1032123120231
1112694733754
126285b7479b
13304c1b9667
1417aa3d267d
15c8020b83b
hex77aafea67

32123120231 has 2 divisors, whose sum is σ = 32123120232. Its totient is φ = 32123120230.

The previous prime is 32123120209. The next prime is 32123120233. The reversal of 32123120231 is 13202132123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32123120231 - 234 = 14943251047 is a prime.

It is a super-2 number, since 2×321231202312 (a number of 22 digits) contains 22 as substring.

Together with 32123120233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32123120233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061560115 + 16061560116.

It is an arithmetic number, because the mean of its divisors is an integer number (16061560116).

Almost surely, 232123120231 is an apocalyptic number.

32123120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32123120231 is an equidigital number, since it uses as much as digits as its factorization.

32123120231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32123120231 its reverse (13202132123), we get a palindrome (45325252354).

The spelling of 32123120231 in words is "thirty-two billion, one hundred twenty-three million, one hundred twenty thousand, two hundred thirty-one".