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10235012531 is a prime number
BaseRepresentation
bin10011000100000110…
…11110010110110011
3222102021222111201012
421202003132112303
5131430130400111
64411335501135
7511430112452
oct114203362663
928367874635
1010235012531
114382441447
121b978277ab
13c715b3143
146d145ab99
153ed83148b
hex2620de5b3

10235012531 has 2 divisors, whose sum is σ = 10235012532. Its totient is φ = 10235012530.

The previous prime is 10235012497. The next prime is 10235012569. The reversal of 10235012531 is 13521053201.

It is a happy number.

10235012531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10235012531 - 26 = 10235012467 is a prime.

It is a super-2 number, since 2×102350125312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10235012497 and 10235012506.

It is not a weakly prime, because it can be changed into another prime (10235018531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5117506265 + 5117506266.

It is an arithmetic number, because the mean of its divisors is an integer number (5117506266).

Almost surely, 210235012531 is an apocalyptic number.

10235012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10235012531 is an equidigital number, since it uses as much as digits as its factorization.

10235012531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 10235012531 its reverse (13521053201), we get a palindrome (23756065732).

The spelling of 10235012531 in words is "ten billion, two hundred thirty-five million, twelve thousand, five hundred thirty-one".