Search a number
-
+
10210221031 is a prime number
BaseRepresentation
bin10011000001001001…
…11001101111100111
3222100120022222011111
421200210321233213
5131402304033111
64405052245451
7511006306153
oct114044715747
928316288144
1010210221031
11436a4491aa
121b8b470887
13c69412b0a
146cc046063
153eb585a21
hex260939be7

10210221031 has 2 divisors, whose sum is σ = 10210221032. Its totient is φ = 10210221030.

The previous prime is 10210221017. The next prime is 10210221071. The reversal of 10210221031 is 13012201201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10210221031 - 27 = 10210220903 is a prime.

It is a super-2 number, since 2×102102210312 (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 (10210221071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105110515 + 5105110516.

It is an arithmetic number, because the mean of its divisors is an integer number (5105110516).

Almost surely, 210210221031 is an apocalyptic number.

10210221031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210221031 is an equidigital number, since it uses as much as digits as its factorization.

10210221031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10210221031 its reverse (13012201201), we get a palindrome (23222422232).

The spelling of 10210221031 in words is "ten billion, two hundred ten million, two hundred twenty-one thousand, thirty-one".