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203431132223 = 1134952990657
BaseRepresentation
bin1011110101110101110…
…0001011110000111111
3201110002110120021001122
42331131130023300333
511313111332212343
6233242135101155
720461133043644
oct2753534136077
9643073507048
10203431132223
1179302630670
12335148117bb
1316250125427
149bbba73dcb
1554597cb068
hex2f5d70bc3f

203431132223 has 8 divisors (see below), whose sum is σ = 222560763600. Its totient is φ = 184407482880.

The previous prime is 203431132211. The next prime is 203431132231. The reversal of 203431132223 is 322231134302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 203431132223 - 210 = 203431131199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203431132192 and 203431132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203431132273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26491490 + ... + 26499167.

It is an arithmetic number, because the mean of its divisors is an integer number (27820095450).

Almost surely, 2203431132223 is an apocalyptic number.

203431132223 is a deficient number, since it is larger than the sum of its proper divisors (19129631377).

203431132223 is a wasteful number, since it uses less digits than its factorization.

203431132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52991017.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203431132223 its reverse (322231134302), we get a palindrome (525662266525).

The spelling of 203431132223 in words is "two hundred three billion, four hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 11 349 3839 52990657 582897227 18493739293 203431132223