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42130431340051 is a prime number
BaseRepresentation
bin10011001010001010000010…
…11001001110111000010011
312112011122000012100110012211
421211011001121032320103
521010231110410340201
6225334241501332551
711605552235460235
oct1145050131167023
9175148005313184
1042130431340051
111247346317616a
1248851b0267157
131a67b62198b52
14a591a3836255
154d0d98862651
hex26514164ee13

42130431340051 has 2 divisors, whose sum is σ = 42130431340052. Its totient is φ = 42130431340050.

The previous prime is 42130431340009. The next prime is 42130431340133. The reversal of 42130431340051 is 15004313403124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42130431340051 - 221 = 42130429242899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42130431339995 and 42130431340022.

It is not a weakly prime, because it can be changed into another prime (42130431340951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065215670025 + 21065215670026.

It is an arithmetic number, because the mean of its divisors is an integer number (21065215670026).

Almost surely, 242130431340051 is an apocalyptic number.

42130431340051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42130431340051 is an equidigital number, since it uses as much as digits as its factorization.

42130431340051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 42130431340051 its reverse (15004313403124), we get a palindrome (57134744743175).

The spelling of 42130431340051 in words is "forty-two trillion, one hundred thirty billion, four hundred thirty-one million, three hundred forty thousand, fifty-one".