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10420112231 is a prime number
BaseRepresentation
bin10011011010001011…
…00100101101100111
3222220012021112202122
421231011210231213
5132320022042411
64441551100155
7516135330644
oct115505445547
928805245678
1010420112231
114467977601
12202981165b
13ca0a512a9
1470bc80dcb
1540ebe59db
hex26d164b67

10420112231 has 2 divisors, whose sum is σ = 10420112232. Its totient is φ = 10420112230.

The previous prime is 10420112201. The next prime is 10420112237. The reversal of 10420112231 is 13221102401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10420112231 is a prime.

It is a super-2 number, since 2×104201122312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420112237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210056115 + 5210056116.

It is an arithmetic number, because the mean of its divisors is an integer number (5210056116).

Almost surely, 210420112231 is an apocalyptic number.

10420112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420112231 is an equidigital number, since it uses as much as digits as its factorization.

10420112231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10420112231 its reverse (13221102401), we get a palindrome (23641214632).

The spelling of 10420112231 in words is "ten billion, four hundred twenty million, one hundred twelve thousand, two hundred thirty-one".