Search a number
-
+
343832431 is a prime number
BaseRepresentation
bin10100011111100…
…111011101101111
3212221222111102111
4110133213131233
51201010114211
654041304451
711343345625
oct2437473557
9787874374
10343832431
111670a2438
1297195127
1356306b57
1433943515
15202bb421
hex147e776f

343832431 has 2 divisors, whose sum is σ = 343832432. Its totient is φ = 343832430.

The previous prime is 343832407. The next prime is 343832449. The reversal of 343832431 is 134238343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343832431 - 221 = 341735279 is a prime.

It is a super-2 number, since 2×3438324312 = 236441481214739522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343832393 and 343832402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343832491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171916215 + 171916216.

It is an arithmetic number, because the mean of its divisors is an integer number (171916216).

Almost surely, 2343832431 is an apocalyptic number.

343832431 is a deficient number, since it is larger than the sum of its proper divisors (1).

343832431 is an equidigital number, since it uses as much as digits as its factorization.

343832431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 343832431 is about 18542.7190832413. The cubic root of 343832431 is about 700.5658221048.

The spelling of 343832431 in words is "three hundred forty-three million, eight hundred thirty-two thousand, four hundred thirty-one".