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31268486503 is a prime number
BaseRepresentation
bin11101000111101111…
…110011110101100111
32222201011011200201201
4131013233303311213
51003014213032003
622210424103331
72154601515142
oct350757636547
988634150651
1031268486503
1112296277791
126087904b47
132c44118227
141728ac5059
15c30191b1d
hex747bf3d67

31268486503 has 2 divisors, whose sum is σ = 31268486504. Its totient is φ = 31268486502.

The previous prime is 31268486471. The next prime is 31268486521. The reversal of 31268486503 is 30568486213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31268486503 - 25 = 31268486471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31268486303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15634243251 + 15634243252.

It is an arithmetic number, because the mean of its divisors is an integer number (15634243252).

Almost surely, 231268486503 is an apocalyptic number.

31268486503 is a deficient number, since it is larger than the sum of its proper divisors (1).

31268486503 is an equidigital number, since it uses as much as digits as its factorization.

31268486503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 31268486503 in words is "thirty-one billion, two hundred sixty-eight million, four hundred eighty-six thousand, five hundred three".