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13123032031 is a prime number
BaseRepresentation
bin11000011100011000…
…11001001111011111
31020212120022002200101
430032030121033133
5203333444011111
610010104041531
7643125634414
oct141614311737
936776262611
1013123032031
11562467821a
122662a632a7
131311a1aa15
148c6c3410b
1551c155bc1
hex30e3193df

13123032031 has 2 divisors, whose sum is σ = 13123032032. Its totient is φ = 13123032030.

The previous prime is 13123032029. The next prime is 13123032133. The reversal of 13123032031 is 13023032131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13123032031 - 21 = 13123032029 is a prime.

It is a super-2 number, since 2×131230320312 (a number of 21 digits) contains 22 as substring.

Together with 13123032029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123032331) 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 as a sum of consecutive naturals, namely, 6561516015 + 6561516016.

It is an arithmetic number, because the mean of its divisors is an integer number (6561516016).

Almost surely, 213123032031 is an apocalyptic number.

13123032031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123032031 is an equidigital number, since it uses as much as digits as its factorization.

13123032031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13123032031 its reverse (13023032131), we get a palindrome (26146064162).

The spelling of 13123032031 in words is "thirteen billion, one hundred twenty-three million, thirty-two thousand, thirty-one".