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343441231 = 749063033
BaseRepresentation
bin10100011110000…
…111111101001111
3212221020121210121
4110132013331033
51200410104411
654025045411
711340126250
oct2436077517
9787217717
10343441231
11166955531
1297026867
13561caa83
1433880b27
1520240571
hex14787f4f

343441231 has 4 divisors (see below), whose sum is σ = 392504272. Its totient is φ = 294378192.

The previous prime is 343441223. The next prime is 343441237. The reversal of 343441231 is 132144343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132144343 = 147189833.

It is a cyclic number.

It is not a de Polignac number, because 343441231 - 23 = 343441223 is a prime.

It is a super-2 number, since 2×3434412312 = 235903758301590722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343441196 and 343441205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343441237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24531510 + ... + 24531523.

It is an arithmetic number, because the mean of its divisors is an integer number (98126068).

Almost surely, 2343441231 is an apocalyptic number.

343441231 is a deficient number, since it is larger than the sum of its proper divisors (49063041).

343441231 is an equidigital number, since it uses as much as digits as its factorization.

343441231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49063040.

The product of its digits is 3456, while the sum is 25.

The square root of 343441231 is about 18532.1674663273. The cubic root of 343441231 is about 700.3000285286.

Adding to 343441231 its reverse (132144343), we get a palindrome (475585574).

The spelling of 343441231 in words is "three hundred forty-three million, four hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 7 49063033 343441231