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10311030031 is a prime number
BaseRepresentation
bin10011001101001010…
…11101010100001111
3222121121000121010011
421212211131110033
5132104110430111
64423053054051
7513342211021
oct114645352417
928547017104
1010311030031
114411342525
121bb9187327
13c8427a903
146db5a8011
1540534a021
hex26695d50f

10311030031 has 2 divisors, whose sum is σ = 10311030032. Its totient is φ = 10311030030.

The previous prime is 10311030013. The next prime is 10311030047. The reversal of 10311030031 is 13003011301.

It is a happy number.

Together with previous prime (10311030013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10311030031 - 27 = 10311029903 is a prime.

It is a super-2 number, since 2×103110300312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10311029993 and 10311030020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311030091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155515015 + 5155515016.

It is an arithmetic number, because the mean of its divisors is an integer number (5155515016).

Almost surely, 210311030031 is an apocalyptic number.

10311030031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311030031 is an equidigital number, since it uses as much as digits as its factorization.

10311030031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 10311030031 its reverse (13003011301), we get a palindrome (23314041332).

The spelling of 10311030031 in words is "ten billion, three hundred eleven million, thirty thousand, thirty-one".