Search a number
-
+
9315423331 is a prime number
BaseRepresentation
bin10001010110011111…
…00001010001100011
3220001012121112110221
420223033201101203
5123034222021311
64140205503511
7446562535414
oct105317412143
926035545427
109315423331
113a5034a475
12197b871b97
13b55c1b316
1464528180b
15397c35671
hex22b3e1463

9315423331 has 2 divisors, whose sum is σ = 9315423332. Its totient is φ = 9315423330.

The previous prime is 9315423319. The next prime is 9315423349. The reversal of 9315423331 is 1333245139.

It is a weak prime.

It is an emirp because it is prime and its reverse (1333245139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9315423331 - 213 = 9315415139 is a prime.

It is a super-2 number, since 2×93154233312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9315423631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4657711665 + 4657711666.

It is an arithmetic number, because the mean of its divisors is an integer number (4657711666).

Almost surely, 29315423331 is an apocalyptic number.

9315423331 is a deficient number, since it is larger than the sum of its proper divisors (1).

9315423331 is an equidigital number, since it uses as much as digits as its factorization.

9315423331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 9315423331 is about 96516.4407290281. The cubic root of 9315423331 is about 2104.1055985923.

The spelling of 9315423331 in words is "nine billion, three hundred fifteen million, four hundred twenty-three thousand, three hundred thirty-one".