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1233200231 is a prime number
BaseRepresentation
bin100100110000001…
…0010010001100111
310011221111001200122
41021200102101213
510011144401411
6322211432155
742363012644
oct11140222147
93157431618
101233200231
1158312264a
122a4bb565b
13168649ca3
14b9ad2dcb
15733e79db
hex49812467

1233200231 has 2 divisors, whose sum is σ = 1233200232. Its totient is φ = 1233200230.

The previous prime is 1233200197. The next prime is 1233200233. The reversal of 1233200231 is 1320023321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1233200231 is a prime.

It is a super-2 number, since 2×12332002312 = 3041565619476906722, which contains 22 as substring.

Together with 1233200233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233200233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616600115 + 616600116.

It is an arithmetic number, because the mean of its divisors is an integer number (616600116).

Almost surely, 21233200231 is an apocalyptic number.

1233200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233200231 is an equidigital number, since it uses as much as digits as its factorization.

1233200231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1233200231 is about 35116.9507645524. The cubic root of 1233200231 is about 1072.3696951936.

Adding to 1233200231 its reverse (1320023321), we get a palindrome (2553223552).

The spelling of 1233200231 in words is "one billion, two hundred thirty-three million, two hundred thousand, two hundred thirty-one".