Search a number
-
+
319023293 is a prime number
BaseRepresentation
bin10011000000111…
…110100010111101
3211020022001200112
4103000332202331
51123132221133
651353435405
710622440031
oct2300764275
9736261615
10319023293
11154097a16
128aa0bb65
135112b7a4
14305261c1
151d01a648
hex1303e8bd

319023293 has 2 divisors, whose sum is σ = 319023294. Its totient is φ = 319023292.

The previous prime is 319023277. The next prime is 319023301. The reversal of 319023293 is 392320913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206726884 + 112296409 = 14378^2 + 10597^2 .

It is a cyclic number.

It is not a de Polignac number, because 319023293 - 24 = 319023277 is a prime.

It is a super-2 number, since 2×3190232932 = 203551722953127698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319023193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159511646 + 159511647.

It is an arithmetic number, because the mean of its divisors is an integer number (159511647).

Almost surely, 2319023293 is an apocalyptic number.

It is an amenable number.

319023293 is a deficient number, since it is larger than the sum of its proper divisors (1).

319023293 is an equidigital number, since it uses as much as digits as its factorization.

319023293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 319023293 is about 17861.2231664016. The cubic root of 319023293 is about 683.2937755143.

The spelling of 319023293 in words is "three hundred nineteen million, twenty-three thousand, two hundred ninety-three".