Search a number
-
+
210110203031 = 1811160829851
BaseRepresentation
bin1100001110101110001…
…0110100010010010111
3202002022221102012202112
43003223202310102113
511420301202444111
6240305010501235
721115504154411
oct3035342642227
9662287365675
10210110203031
118111a8063a3
123487959481b
1316a75ab3231
14a252b2d9b1
1556ead4ee8b
hex30eb8b4497

210110203031 has 4 divisors (see below), whose sum is σ = 211271033064. Its totient is φ = 208949373000.

The previous prime is 210110203027. The next prime is 210110203073. The reversal of 210110203031 is 130302011012.

210110203031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210110203031 - 22 = 210110203027 is a prime.

It is a super-2 number, since 2×2101102030312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210110202997 and 210110203015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210110203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580414745 + ... + 580415106.

It is an arithmetic number, because the mean of its divisors is an integer number (52817758266).

Almost surely, 2210110203031 is an apocalyptic number.

210110203031 is a deficient number, since it is larger than the sum of its proper divisors (1160830033).

210110203031 is a wasteful number, since it uses less digits than its factorization.

210110203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160830032.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 210110203031 its reverse (130302011012), we get a palindrome (340412214043).

The spelling of 210110203031 in words is "two hundred ten billion, one hundred ten million, two hundred three thousand, thirty-one".

Divisors: 1 181 1160829851 210110203031