Search a number
-
+
210122300231 is a prime number
BaseRepresentation
bin1100001110110001000…
…0111101101101000111
3202002100210011210222222
43003230100331231013
511420312302101411
6240310122042555
721116012040254
oct3035420755507
9662323153888
10210122300231
1181126619188
123488164945b
1316a7845a53c
14a25459c42b
1556ebe3e4db
hex30ec43db47

210122300231 has 2 divisors, whose sum is σ = 210122300232. Its totient is φ = 210122300230.

The previous prime is 210122300197. The next prime is 210122300261. The reversal of 210122300231 is 132003221012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210122300231 is a prime.

It is a super-2 number, since 2×2101223002312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210122300261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061150115 + 105061150116.

It is an arithmetic number, because the mean of its divisors is an integer number (105061150116).

Almost surely, 2210122300231 is an apocalyptic number.

210122300231 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122300231 is an equidigital number, since it uses as much as digits as its factorization.

210122300231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210122300231 its reverse (132003221012), we get a palindrome (342125521243).

The spelling of 210122300231 in words is "two hundred ten billion, one hundred twenty-two million, three hundred thousand, two hundred thirty-one".