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23131102103 is a prime number
BaseRepresentation
bin10101100010101110…
…001001101110010111
32012201001020201212022
4111202232021232113
5334333030231403
614343135443355
71446132060314
oct254256115627
965631221768
1023131102103
11989a9a440a
12459668655b
1322482a2485
141196097d0b
15905aa9d38
hex562b89b97

23131102103 has 2 divisors, whose sum is σ = 23131102104. Its totient is φ = 23131102102.

The previous prime is 23131102097. The next prime is 23131102193. The reversal of 23131102103 is 30120113132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23131102103 - 24 = 23131102087 is a prime.

It is a super-2 number, since 2×231311021032 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131102193) 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, 11565551051 + 11565551052.

It is an arithmetic number, because the mean of its divisors is an integer number (11565551052).

Almost surely, 223131102103 is an apocalyptic number.

23131102103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131102103 is an equidigital number, since it uses as much as digits as its factorization.

23131102103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23131102103 its reverse (30120113132), we get a palindrome (53251215235).

The spelling of 23131102103 in words is "twenty-three billion, one hundred thirty-one million, one hundred two thousand, one hundred three".