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231010222 = 2137843103
BaseRepresentation
bin11011100010011…
…10111110101110
3121002200112110011
431301032332232
5433114311342
634531203434
75503361122
oct1561167656
9532615404
10231010222
11109443443
126544657a
1338b24051
1422975582
1515432717
hexdc4efae

231010222 has 8 divisors (see below), whose sum is σ = 349045056. Its totient is φ = 114661872.

The previous prime is 231010103. The next prime is 231010223. The reversal of 231010222 is 222010132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231010223) 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, 421278 + ... + 421825.

It is an arithmetic number, because the mean of its divisors is an integer number (43630632).

Almost surely, 2231010222 is an apocalyptic number.

231010222 is a deficient number, since it is larger than the sum of its proper divisors (118034834).

231010222 is a wasteful number, since it uses less digits than its factorization.

231010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843242.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 231010222 is about 15199.0204289619. The cubic root of 231010222 is about 613.5882943479.

Adding to 231010222 its reverse (222010132), we get a palindrome (453020354).

The spelling of 231010222 in words is "two hundred thirty-one million, ten thousand, two hundred twenty-two".

Divisors: 1 2 137 274 843103 1686206 115505111 231010222