Search a number
-
+
2010231331 = 19105801649
BaseRepresentation
bin111011111010001…
…1011001000100011
312012002121022222021
41313310123020203
513104104400311
6531250122311
7100546453513
oct16764331043
95162538867
102010231331
119417a5609
12481280397
1326061a2c4
14150d9d843
15bb734171
hex77d1b223

2010231331 has 4 divisors (see below), whose sum is σ = 2116033000. Its totient is φ = 1904429664.

The previous prime is 2010231299. The next prime is 2010231359. The reversal of 2010231331 is 1331320102.

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 2010231331 - 25 = 2010231299 is a prime.

It is a super-2 number, since 2×20102313312 = 8082060008268063122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010231371) 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 in 3 ways as a sum of consecutive naturals, for example, 52900806 + ... + 52900843.

It is an arithmetic number, because the mean of its divisors is an integer number (529008250).

Almost surely, 22010231331 is an apocalyptic number.

2010231331 is a deficient number, since it is larger than the sum of its proper divisors (105801669).

2010231331 is a wasteful number, since it uses less digits than its factorization.

2010231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105801668.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2010231331 is about 44835.6033861484. The cubic root of 2010231331 is about 1262.0658415789.

Adding to 2010231331 its reverse (1331320102), we get a palindrome (3341551433).

The spelling of 2010231331 in words is "two billion, ten million, two hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 19 105801649 2010231331