Search a number
-
+
331230343 is a prime number
BaseRepresentation
bin10011101111100…
…010110010000111
3212002021020121111
4103233202302013
51134243332333
652511225451
711131261063
oct2357426207
9762236544
10331230343
1115aa75294
1292b18287
1353813ab2
1431dc2aa3
151e12c4cd
hex13be2c87

331230343 has 2 divisors, whose sum is σ = 331230344. Its totient is φ = 331230342.

The previous prime is 331230313. The next prime is 331230359. The reversal of 331230343 is 343032133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331230343 - 25 = 331230311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331230313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615171 + 165615172.

It is an arithmetic number, because the mean of its divisors is an integer number (165615172).

Almost surely, 2331230343 is an apocalyptic number.

331230343 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230343 is an equidigital number, since it uses as much as digits as its factorization.

331230343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 331230343 is about 18199.7346958685. The cubic root of 331230343 is about 691.9000650623.

Adding to 331230343 its reverse (343032133), we get a palindrome (674262476).

The spelling of 331230343 in words is "three hundred thirty-one million, two hundred thirty thousand, three hundred forty-three".