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2213431355 = 5442686271
BaseRepresentation
bin1000001111101110…
…0100100000111011
312201020221222000002
42003323210200323
514013114300410
61003345303215
7105564566432
oct20373444073
95636858002
102213431355
11a36473813
12519334b0b
13293754cc5
1416dd76119
15ce4c17a5
hex83ee483b

2213431355 has 4 divisors (see below), whose sum is σ = 2656117632. Its totient is φ = 1770745080.

The previous prime is 2213431349. The next prime is 2213431387. The reversal of 2213431355 is 5531343122.

It is a happy number.

2213431355 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 not a de Polignac number, because 2213431355 - 26 = 2213431291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221343131 + ... + 221343140.

It is an arithmetic number, because the mean of its divisors is an integer number (664029408).

Almost surely, 22213431355 is an apocalyptic number.

2213431355 is a deficient number, since it is larger than the sum of its proper divisors (442686277).

2213431355 is an equidigital number, since it uses as much as digits as its factorization.

2213431355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442686276.

The product of its digits is 10800, while the sum is 29.

The square root of 2213431355 is about 47047.1184558629. The cubic root of 2213431355 is about 1303.2328522703.

Adding to 2213431355 its reverse (5531343122), we get a palindrome (7744774477).

The spelling of 2213431355 in words is "two billion, two hundred thirteen million, four hundred thirty-one thousand, three hundred fifty-five".

Divisors: 1 5 442686271 2213431355