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2340340131 = 31063733879
BaseRepresentation
bin1000101101111110…
…1100000110100011
320001002202121010010
42023133230012203
514243111341011
61024121340003
7111665364033
oct21337540643
96032677103
102340340131
11aa10741a8
12553937603
132b3b2a75c
14182b6d8c3
15da6de1a6
hex8b7ec1a3

2340340131 has 8 divisors (see below), whose sum is σ = 3123393280. Its totient is φ = 1558756872.

The previous prime is 2340340129. The next prime is 2340340141. The reversal of 2340340131 is 1310430432.

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

It is not a de Polignac number, because 2340340131 - 21 = 2340340129 is a prime.

It is a super-2 number, since 2×23403401312 = 10954383857538194322, 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 = 2340340098 and 2340340107.

It is not an unprimeable number, because it can be changed into a prime (2340340111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363751 + ... + 370128.

It is an arithmetic number, because the mean of its divisors is an integer number (390424160).

Almost surely, 22340340131 is an apocalyptic number.

2340340131 is a deficient number, since it is larger than the sum of its proper divisors (783053149).

2340340131 is a wasteful number, since it uses less digits than its factorization.

2340340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734945.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2340340131 is about 48377.0620335712. The cubic root of 2340340131 is about 1327.6787163322.

Adding to 2340340131 its reverse (1310430432), we get a palindrome (3650770563).

The spelling of 2340340131 in words is "two billion, three hundred forty million, three hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 1063 3189 733879 2201637 780113377 2340340131