Search a number
-
+
30357075317 is a prime number
BaseRepresentation
bin11100010001011011…
…000011010101110101
32220100122012012121212
4130101123003111311
5444132402402232
621540145251205
72123163611522
oct342133032565
986318165555
1030357075317
1111968860aa8
125a72633b05
132b2a35787a
14167da38149
15bca15deb2
hex7116c3575

30357075317 has 2 divisors, whose sum is σ = 30357075318. Its totient is φ = 30357075316.

The previous prime is 30357075277. The next prime is 30357075323. The reversal of 30357075317 is 71357075303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29230398961 + 1126676356 = 170969^2 + 33566^2 .

It is a cyclic number.

It is not a de Polignac number, because 30357075317 - 212 = 30357071221 is a prime.

It is a super-5 number, since 5×303570753175 (a number of 54 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30357075337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15178537658 + 15178537659.

It is an arithmetic number, because the mean of its divisors is an integer number (15178537659).

Almost surely, 230357075317 is an apocalyptic number.

It is an amenable number.

30357075317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30357075317 is an equidigital number, since it uses as much as digits as its factorization.

30357075317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231525, while the sum is 41.

The spelling of 30357075317 in words is "thirty billion, three hundred fifty-seven million, seventy-five thousand, three hundred seventeen".