Search a number
-
+
210011313031231 = 1011972075272123
BaseRepresentation
bin101111110000000100010001…
…101101100100100000111111
31000112120212220111022211202111
4233300010101231210200333
5210011311132113444411
62022353510524034451
762143550054110345
oct5760042155444077
91015525814284674
10210011313031231
1160a0933024a158
121b679723992a27
139024c9c15300a
1439c085d429995
151942d222a6721
hexbf0111b6483f

210011313031231 has 4 divisors (see below), whose sum is σ = 210013388404552. Its totient is φ = 210009237657912.

The previous prime is 210011313031229. The next prime is 210011313031297. The reversal of 210011313031231 is 132130313110012.

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 210011313031231 - 21 = 210011313031229 is a prime.

It is a super-2 number, since 2×2100113130312312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011313037231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037534865 + ... + 1037737258.

It is an arithmetic number, because the mean of its divisors is an integer number (52503347101138).

Almost surely, 2210011313031231 is an apocalyptic number.

210011313031231 is a deficient number, since it is larger than the sum of its proper divisors (2075373321).

210011313031231 is a wasteful number, since it uses less digits than its factorization.

210011313031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075373320.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 210011313031231 its reverse (132130313110012), we get a palindrome (342141626141243).

The spelling of 210011313031231 in words is "two hundred ten trillion, eleven billion, three hundred thirteen million, thirty-one thousand, two hundred thirty-one".

Divisors: 1 101197 2075272123 210011313031231