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200222131231 = 222598995109
BaseRepresentation
bin1011101001111000101…
…0110100010000011111
3201010210211021010021001
42322132022310100133
511240023331144411
6231551503051131
720315456014633
oct2723612642037
9633724233231
10200222131231
1177a0619a731
1232979ba0aa7
1315b5b354985
1499957c4dc3
15531cc00dc1
hex2e9e2b441f

200222131231 has 4 divisors (see below), whose sum is σ = 200231148600. Its totient is φ = 200213113864.

The previous prime is 200222131223. The next prime is 200222131289. The reversal of 200222131231 is 132131222002.

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 200222131231 - 23 = 200222131223 is a prime.

It is a super-2 number, since 2×2002221312312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200222131199 and 200222131208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200222131201) 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, 4475296 + ... + 4519813.

It is an arithmetic number, because the mean of its divisors is an integer number (50057787150).

Almost surely, 2200222131231 is an apocalyptic number.

200222131231 is a deficient number, since it is larger than the sum of its proper divisors (9017369).

200222131231 is an equidigital number, since it uses as much as digits as its factorization.

200222131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017368.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200222131231 its reverse (132131222002), we get a palindrome (332353353233).

The spelling of 200222131231 in words is "two hundred billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 22259 8995109 200222131231