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10111131031 is a prime number
BaseRepresentation
bin10010110101010101…
…11001110110010111
3222002122212200020111
421122222321312113
5131201422143111
64351152343451
7505364124061
oct113252716627
928078780214
1010111131031
114319519441
121b62244b87
13c51a2a591
146bcc10731
153e2a10a21
hex25aab9d97

10111131031 has 2 divisors, whose sum is σ = 10111131032. Its totient is φ = 10111131030.

The previous prime is 10111131011. The next prime is 10111131047. The reversal of 10111131031 is 13013111101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111131031 - 223 = 10102742423 is a prime.

It is a super-2 number, since 2×101111310312 (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 (10111131011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055565515 + 5055565516.

It is an arithmetic number, because the mean of its divisors is an integer number (5055565516).

Almost surely, 210111131031 is an apocalyptic number.

10111131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111131031 is an equidigital number, since it uses as much as digits as its factorization.

10111131031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 10111131031 its reverse (13013111101), we get a palindrome (23124242132).

The spelling of 10111131031 in words is "ten billion, one hundred eleven million, one hundred thirty-one thousand, thirty-one".