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1312022203 is a prime number
BaseRepresentation
bin100111000110011…
…1101111010111011
310101102210122002221
41032030331322323
510141334202303
6334105104511
744341001422
oct11614757273
93342718087
101312022203
11613669778
12307488137
1317ba870cb
14c63702b9
157a2b74bd
hex4e33debb

1312022203 has 2 divisors, whose sum is σ = 1312022204. Its totient is φ = 1312022202.

The previous prime is 1312022191. The next prime is 1312022227. The reversal of 1312022203 is 3022202131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312022203 - 25 = 1312022171 is a prime.

It is a super-2 number, since 2×13120222032 = 3442804522329946418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312022233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656011101 + 656011102.

It is an arithmetic number, because the mean of its divisors is an integer number (656011102).

Almost surely, 21312022203 is an apocalyptic number.

1312022203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312022203 is an equidigital number, since it uses as much as digits as its factorization.

1312022203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1312022203 is about 36221.8470401497. The cubic root of 1312022203 is about 1094.7469103640.

Adding to 1312022203 its reverse (3022202131), we get a palindrome (4334224334).

The spelling of 1312022203 in words is "one billion, three hundred twelve million, twenty-two thousand, two hundred three".