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10021210231 is a prime number
BaseRepresentation
bin10010101010100111…
…11000100001110111
3221212101200020002111
421111103320201313
5131010412211411
64334221151451
7503222611234
oct112523704167
927771606074
1010021210231
11428279162a
121b380bb587
13c392056c6
146b0cc478b
153d9b9c721
hex2554f8877

10021210231 has 2 divisors, whose sum is σ = 10021210232. Its totient is φ = 10021210230.

The previous prime is 10021210229. The next prime is 10021210247. The reversal of 10021210231 is 13201212001.

10021210231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021210231 - 21 = 10021210229 is a prime.

It is a super-2 number, since 2×100212102312 (a number of 21 digits) contains 22 as substring.

Together with 10021210229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021250231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010605115 + 5010605116.

It is an arithmetic number, because the mean of its divisors is an integer number (5010605116).

Almost surely, 210021210231 is an apocalyptic number.

10021210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021210231 is an equidigital number, since it uses as much as digits as its factorization.

10021210231 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 10021210231 its reverse (13201212001), we get a palindrome (23222422232).

The spelling of 10021210231 in words is "ten billion, twenty-one million, two hundred ten thousand, two hundred thirty-one".