Search a number
-
+
3101220103 is a prime number
BaseRepresentation
bin1011100011011000…
…1101110100000111
322000010111022012211
42320312031310013
522322403020403
61231421524251
7136564636012
oct27066156407
98003438184
103101220103
111351615623
12726713687
133a56644a7
14215c34379
151323da06d
hexb8d8dd07

3101220103 has 2 divisors, whose sum is σ = 3101220104. Its totient is φ = 3101220102.

The previous prime is 3101220061. The next prime is 3101220107. The reversal of 3101220103 is 3010221013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3101220103 - 217 = 3101089031 is a prime.

It is a super-2 number, since 2×31012201032 = 19235132254502661218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3101220107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550610051 + 1550610052.

It is an arithmetic number, because the mean of its divisors is an integer number (1550610052).

Almost surely, 23101220103 is an apocalyptic number.

3101220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101220103 is an equidigital number, since it uses as much as digits as its factorization.

3101220103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3101220103 is about 55688.5993987998. The cubic root of 3101220103 is about 1458.2910044842.

Adding to 3101220103 its reverse (3010221013), we get a palindrome (6111441116).

It can be divided in two parts, 31012 and 20103, that added together give a palindrome (51115).

The spelling of 3101220103 in words is "three billion, one hundred one million, two hundred twenty thousand, one hundred three".