Search a number
-
+
210122331313 is a prime number
BaseRepresentation
bin1100001110110001000…
…1000101010010110001
3202002100210020101122011
43003230101011102301
511420312304100223
6240310122442521
721116012230006
oct3035421052261
9662323211564
10210122331313
118112663a574
1234881663441
1316a7846b72b
14a2545a98ad
1556ebe4880d
hex30ec4454b1

210122331313 has 2 divisors, whose sum is σ = 210122331314. Its totient is φ = 210122331312.

The previous prime is 210122331301. The next prime is 210122331323. The reversal of 210122331313 is 313133221012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108008850609 + 102113480704 = 328647^2 + 319552^2 .

It is a cyclic number.

It is not a de Polignac number, because 210122331313 - 25 = 210122331281 is a prime.

It is not a weakly prime, because it can be changed into another prime (210122331323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061165656 + 105061165657.

It is an arithmetic number, because the mean of its divisors is an integer number (105061165657).

Almost surely, 2210122331313 is an apocalyptic number.

It is an amenable number.

210122331313 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122331313 is an equidigital number, since it uses as much as digits as its factorization.

210122331313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 210122331313 its reverse (313133221012), we get a palindrome (523255552325).

The spelling of 210122331313 in words is "two hundred ten billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred thirteen".