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30731051305463 is a prime number
BaseRepresentation
bin1101111110011001000010…
…11001011000100111110111
311000210212012210200220120112
412333030201121120213313
513011444143113233323
6145205352225453235
76321150046065125
oct677144131304767
9130725183626515
1030731051305463
119878a6933a073
123543a72aa121b
13141bc05a02b02
147835685a0915
153845b9e23178
hex1bf3216589f7

30731051305463 has 2 divisors, whose sum is σ = 30731051305464. Its totient is φ = 30731051305462.

The previous prime is 30731051305313. The next prime is 30731051305489. The reversal of 30731051305463 is 36450315013703.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30731051305463 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30731051305463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30731051305663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15365525652731 + 15365525652732.

It is an arithmetic number, because the mean of its divisors is an integer number (15365525652732).

Almost surely, 230731051305463 is an apocalyptic number.

30731051305463 is a deficient number, since it is larger than the sum of its proper divisors (1).

30731051305463 is an equidigital number, since it uses as much as digits as its factorization.

30731051305463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 30731051305463 in words is "thirty trillion, seven hundred thirty-one billion, fifty-one million, three hundred five thousand, four hundred sixty-three".