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1020130130309 is a prime number
BaseRepresentation
bin11101101100001000111…
…11100111100110000101
310121112010121210222221212
432312010133213212011
5113203211303132214
62100350305021205
7133462530015413
oct16660437474605
93545117728855
101020130130309
113636a8955824
1214585b624805
1375275906354
1437535b242b3
151b808b3953e
hexed847e7985

1020130130309 has 2 divisors, whose sum is σ = 1020130130310. Its totient is φ = 1020130130308.

The previous prime is 1020130130287. The next prime is 1020130130351. The reversal of 1020130130309 is 9030310310201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660070127809 + 360060002500 = 812447^2 + 600050^2 .

It is an emirp because it is prime and its reverse (9030310310201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020130130309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020130130609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510065065154 + 510065065155.

It is an arithmetic number, because the mean of its divisors is an integer number (510065065155).

Almost surely, 21020130130309 is an apocalyptic number.

It is an amenable number.

1020130130309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020130130309 is an equidigital number, since it uses as much as digits as its factorization.

1020130130309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 1020130130309 in words is "one trillion, twenty billion, one hundred thirty million, one hundred thirty thousand, three hundred nine".