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20312302411 is a prime number
BaseRepresentation
bin10010111010101101…
…010010001101001011
31221102121011212121201
4102322231102031023
5313044422134121
613155323045031
71316233502362
oct227255221513
957377155551
1020312302411
118683846495
123b2a670777
131bb92c226b
14da997c7d9
157dd3a9e91
hex4bab5234b

20312302411 has 2 divisors, whose sum is σ = 20312302412. Its totient is φ = 20312302410.

The previous prime is 20312302331. The next prime is 20312302427. The reversal of 20312302411 is 11420321302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20312302411 is a prime.

It is not a weakly prime, because it can be changed into another prime (20312302441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156151205 + 10156151206.

It is an arithmetic number, because the mean of its divisors is an integer number (10156151206).

Almost surely, 220312302411 is an apocalyptic number.

20312302411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312302411 is an equidigital number, since it uses as much as digits as its factorization.

20312302411 is an evil number, because the sum of its binary digits is even.

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

Adding to 20312302411 its reverse (11420321302), we get a palindrome (31732623713).

The spelling of 20312302411 in words is "twenty billion, three hundred twelve million, three hundred two thousand, four hundred eleven".