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343442031 = 3641178597
BaseRepresentation
bin10100011110001…
…000001001101111
3212221020122220020
4110132020021233
51200410121111
654025053223
711340131502
oct2436101157
9787218806
10343442031
11166956099
1297027213
13561cb24a
1433881139
1520240906
hex1478826f

343442031 has 8 divisors (see below), whose sum is σ = 458639664. Its totient is φ = 228602880.

The previous prime is 343442027. The next prime is 343442039. The reversal of 343442031 is 130244343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343442031 - 22 = 343442027 is a prime.

It is a super-2 number, since 2×3434420312 = 235904857314809922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343441992 and 343442010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343442039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87376 + ... + 91221.

It is an arithmetic number, because the mean of its divisors is an integer number (57329958).

Almost surely, 2343442031 is an apocalyptic number.

343442031 is a deficient number, since it is larger than the sum of its proper divisors (115197633).

343442031 is a wasteful number, since it uses less digits than its factorization.

343442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179241.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 343442031 is about 18532.1890504063. The cubic root of 343442031 is about 700.3005722796.

Adding to 343442031 its reverse (130244343), we get a palindrome (473686374).

The spelling of 343442031 in words is "three hundred forty-three million, four hundred forty-two thousand, thirty-one".

Divisors: 1 3 641 1923 178597 535791 114480677 343442031