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23131029953 is a prime number
BaseRepresentation
bin10101100010101101…
…111000000111000001
32012201001010001220002
4111202231320013001
5334333020424303
614343134125345
71446131340053
oct254255700701
965631101802
1023131029953
11989a955189
124596650855
132248278695
1411960798d3
15905a93788
hex562b781c1

23131029953 has 2 divisors, whose sum is σ = 23131029954. Its totient is φ = 23131029952.

The previous prime is 23131029907. The next prime is 23131029959. The reversal of 23131029953 is 35992013132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11641762609 + 11489267344 = 107897^2 + 107188^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131029953 - 210 = 23131028929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23131029959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565514976 + 11565514977.

It is an arithmetic number, because the mean of its divisors is an integer number (11565514977).

Almost surely, 223131029953 is an apocalyptic number.

It is an amenable number.

23131029953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131029953 is an equidigital number, since it uses as much as digits as its factorization.

23131029953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 38.

The spelling of 23131029953 in words is "twenty-three billion, one hundred thirty-one million, twenty-nine thousand, nine hundred fifty-three".