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10311020231 is a prime number
BaseRepresentation
bin10011001101001010…
…11010111011000111
3222121121000002200012
421212211122323013
5132104110121411
64423052540435
7513342140321
oct114645327307
928547002605
1010311020231
114411336126
121bb918171b
13c84276305
146db5a4611
1540534718b
hex26695aec7

10311020231 has 2 divisors, whose sum is σ = 10311020232. Its totient is φ = 10311020230.

The previous prime is 10311020219. The next prime is 10311020243. The reversal of 10311020231 is 13202011301.

It is a balanced prime because it is at equal distance from previous prime (10311020219) and next prime (10311020243).

It is a cyclic number.

It is not a de Polignac number, because 10311020231 - 210 = 10311019207 is a prime.

It is a super-2 number, since 2×103110202312 (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 (10311020261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155510115 + 5155510116.

It is an arithmetic number, because the mean of its divisors is an integer number (5155510116).

Almost surely, 210311020231 is an apocalyptic number.

10311020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311020231 is an equidigital number, since it uses as much as digits as its factorization.

10311020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10311020231 its reverse (13202011301), we get a palindrome (23513031532).

The spelling of 10311020231 in words is "ten billion, three hundred eleven million, twenty thousand, two hundred thirty-one".