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1203232231 is a prime number
BaseRepresentation
bin100011110110111…
…1101110111100111
310002212002112022201
41013231331313213
54431011412411
6315221235331
741550206455
oct10755756747
93085075281
101203232231
11568214203
12296b62b47
13162386746
14b5b319d5
15709783c1
hex47b7dde7

1203232231 has 2 divisors, whose sum is σ = 1203232232. Its totient is φ = 1203232230.

The previous prime is 1203232223. The next prime is 1203232237. The reversal of 1203232231 is 1322323021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203232231 - 23 = 1203232223 is a prime.

It is a super-2 number, since 2×12032322312 = 2895535603434474722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203232199 and 1203232208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203232237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601616115 + 601616116.

It is an arithmetic number, because the mean of its divisors is an integer number (601616116).

Almost surely, 21203232231 is an apocalyptic number.

1203232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203232231 is an equidigital number, since it uses as much as digits as its factorization.

1203232231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1203232231 is about 34687.6380141399. The cubic root of 1203232231 is about 1063.6118132677.

Adding to 1203232231 its reverse (1322323021), we get a palindrome (2525555252).

The spelling of 1203232231 in words is "one billion, two hundred three million, two hundred thirty-two thousand, two hundred thirty-one".