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2010131311 = 9209218279
BaseRepresentation
bin111011111010000…
…0010101101101111
312012002102020202211
41313310002231233
513104043200221
6531244031251
7100545556066
oct16764025557
95162366684
102010131311
11941737451
12481232527
132605b3916
14150d751dd
15bb7146e1
hex77d02b6f

2010131311 has 4 divisors (see below), whose sum is σ = 2010358800. Its totient is φ = 2009903824.

The previous prime is 2010131293. The next prime is 2010131327. The reversal of 2010131311 is 1131310102.

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 2010131311 - 27 = 2010131183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010131291 and 2010131300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010131341) 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, 99931 + ... + 118348.

It is an arithmetic number, because the mean of its divisors is an integer number (502589700).

Almost surely, 22010131311 is an apocalyptic number.

2010131311 is a deficient number, since it is larger than the sum of its proper divisors (227489).

2010131311 is an equidigital number, since it uses as much as digits as its factorization.

2010131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227488.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2010131311 is about 44834.4879640662. The cubic root of 2010131311 is about 1262.0449096731.

Adding to 2010131311 its reverse (1131310102), we get a palindrome (3141441413).

The spelling of 2010131311 in words is "two billion, ten million, one hundred thirty-one thousand, three hundred eleven".

Divisors: 1 9209 218279 2010131311