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203320210231 is a prime number
BaseRepresentation
bin1011110101011011010…
…1000011001100110111
3201102210201211211200201
42331112311003030313
511312344433211411
6233223133421331
720455315162135
oct2752665031467
9642721754621
10203320210231
1179255a5a2a6
12334a363a847
1316233159508
149bab03c755
15544ebba3c1
hex2f56d43337

203320210231 has 2 divisors, whose sum is σ = 203320210232. Its totient is φ = 203320210230.

The previous prime is 203320210211. The next prime is 203320210241. The reversal of 203320210231 is 132012023302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203320210231 - 225 = 203286655799 is a prime.

It is a super-2 number, since 2×2033202102312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203320210199 and 203320210208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203320210211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101660105115 + 101660105116.

It is an arithmetic number, because the mean of its divisors is an integer number (101660105116).

Almost surely, 2203320210231 is an apocalyptic number.

203320210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

203320210231 is an equidigital number, since it uses as much as digits as its factorization.

203320210231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203320210231 its reverse (132012023302), we get a palindrome (335332233533).

The spelling of 203320210231 in words is "two hundred three billion, three hundred twenty million, two hundred ten thousand, two hundred thirty-one".