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2213131303 = 16829131507
BaseRepresentation
bin1000001111101001…
…1011010000100111
312201020101201102001
42003322123100213
514013030200203
61003335030131
7105562206565
oct20372332047
95636351361
102213131303
11a36289339
1251920b347
1329367b566
1416dcd8a35
15ce46291d
hex83e9b427

2213131303 has 4 divisors (see below), whose sum is σ = 2213279640. Its totient is φ = 2212982968.

The previous prime is 2213131243. The next prime is 2213131309. The reversal of 2213131303 is 3031313122.

2213131303 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 a de Polignac number, because none of the positive numbers 2k-2213131303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213131309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48925 + ... + 82582.

It is an arithmetic number, because the mean of its divisors is an integer number (553319910).

Almost surely, 22213131303 is an apocalyptic number.

2213131303 is a deficient number, since it is larger than the sum of its proper divisors (148337).

2213131303 is a wasteful number, since it uses less digits than its factorization.

2213131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148336.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2213131303 is about 47043.9295021154. The cubic root of 2213131303 is about 1303.1739610087.

Adding to 2213131303 its reverse (3031313122), we get a palindrome (5244444425).

The spelling of 2213131303 in words is "two billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred three".

Divisors: 1 16829 131507 2213131303