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340112431 = 2346132077
BaseRepresentation
bin10100010001011…
…011010000101111
3212200222111112201
4110101123100233
51144032044211
653425442331
711266623301
oct2421332057
9780874481
10340112431
11164a9155a
1295aa03a7
1355603879
1433255971
151ecd40c1
hex1445b42f

340112431 has 8 divisors (see below), whose sum is σ = 355680864. Its totient is φ = 324609120.

The previous prime is 340112429. The next prime is 340112441. The reversal of 340112431 is 134211043.

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

It is not a de Polignac number, because 340112431 - 21 = 340112429 is a prime.

It is a super-2 number, since 2×3401124312 = 231352931441459522, 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 = 340112399 and 340112408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340112401) 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, 5436 + ... + 26641.

It is an arithmetic number, because the mean of its divisors is an integer number (44460108).

Almost surely, 2340112431 is an apocalyptic number.

340112431 is a deficient number, since it is larger than the sum of its proper divisors (15568433).

340112431 is a wasteful number, since it uses less digits than its factorization.

340112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32561.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 340112431 is about 18442.1373761286. The cubic root of 340112431 is about 698.0301291308.

Adding to 340112431 its reverse (134211043), we get a palindrome (474323474).

The spelling of 340112431 in words is "three hundred forty million, one hundred twelve thousand, four hundred thirty-one".

Divisors: 1 23 461 10603 32077 737771 14787497 340112431