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1010131247 is a prime number
BaseRepresentation
bin111100001101010…
…110000100101111
32121101201222120102
4330031112010233
54032043144442
6244122341315
734013655026
oct7415260457
92541658512
101010131247
11479213614
1224235a83b
131313766c8
14982278bd
155da33232
hex3c35612f

1010131247 has 2 divisors, whose sum is σ = 1010131248. Its totient is φ = 1010131246.

The previous prime is 1010131217. The next prime is 1010131289. The reversal of 1010131247 is 7421310101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010131247 - 26 = 1010131183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010131207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505065623 + 505065624.

It is an arithmetic number, because the mean of its divisors is an integer number (505065624).

Almost surely, 21010131247 is an apocalyptic number.

1010131247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010131247 is an equidigital number, since it uses as much as digits as its factorization.

1010131247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1010131247 is about 31782.5619955346. The cubic root of 1010131247 is about 1003.3657414088.

Adding to 1010131247 its reverse (7421310101), we get a palindrome (8431441348).

The spelling of 1010131247 in words is "one billion, ten million, one hundred thirty-one thousand, two hundred forty-seven".