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340431312243331 = 1317000937119689
BaseRepresentation
bin100110101100111101101011…
…1011011111100101010000011
31122122100220201110221201222101
41031121323113123330222003
5324110111311413241311
63204011552534451231
7131464231163236021
oct11531732733745203
91578326643851871
10340431312243331
119952112180a841
1232221a51803b17
13117c56c550663a
14600cd6b909711
1529555eddaaec1
hex1359ed76fca83

340431312243331 has 8 divisors (see below), whose sum is σ = 343034933590800. Its totient is φ = 337827765275520.

The previous prime is 340431312243313. The next prime is 340431312243391. The reversal of 340431312243331 is 133342213134043.

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

It is a cyclic number.

It is not a de Polignac number, because 340431312243331 - 213 = 340431312235139 is a prime.

It is a super-2 number, since 2×3404313122433312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340431312243311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9388666 + ... + 27731023.

It is an arithmetic number, because the mean of its divisors is an integer number (42879366698850).

Almost surely, 2340431312243331 is an apocalyptic number.

340431312243331 is a deficient number, since it is larger than the sum of its proper divisors (2603621347469).

340431312243331 is a wasteful number, since it uses less digits than its factorization.

340431312243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37189829.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 340431312243331 its reverse (133342213134043), we get a palindrome (473773525377374).

The spelling of 340431312243331 in words is "three hundred forty trillion, four hundred thirty-one billion, three hundred twelve million, two hundred forty-three thousand, three hundred thirty-one".

Divisors: 1 131 70009 9171179 37119689 4862679259 2598712307201 340431312243331