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343104131 = 2161158771
BaseRepresentation
bin10100011100110…
…101101010000011
3212220121111101102
4110130311222003
51200313313011
654013525015
711334223406
oct2434655203
9786544342
10343104131
11166745237
1296aa376b
13561104c6
14337d3d3d
15201c573b
hex14735a83

343104131 has 4 divisors (see below), whose sum is σ = 343265064. Its totient is φ = 342943200.

The previous prime is 343104127. The next prime is 343104137. The reversal of 343104131 is 131401343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131401343 = 314238753.

It is a cyclic number.

It is not a de Polignac number, because 343104131 - 22 = 343104127 is a prime.

It is a super-2 number, since 2×3431041312 = 235440889418530322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343104137) 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, 77225 + ... + 81546.

It is an arithmetic number, because the mean of its divisors is an integer number (85816266).

Almost surely, 2343104131 is an apocalyptic number.

343104131 is a deficient number, since it is larger than the sum of its proper divisors (160933).

343104131 is a wasteful number, since it uses less digits than its factorization.

343104131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160932.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 343104131 is about 18523.0702368695. The cubic root of 343104131 is about 700.0708302477.

Adding to 343104131 its reverse (131401343), we get a palindrome (474505474).

The spelling of 343104131 in words is "three hundred forty-three million, one hundred four thousand, one hundred thirty-one".

Divisors: 1 2161 158771 343104131