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140312342231 = 1069634320693
BaseRepresentation
bin1000001010101101000…
…1000110111011010111
3111102011121102111201222
42002223101012323113
54244324424422411
6144243020240555
713065033142025
oct2025321067327
9442147374658
10140312342231
1154562728516
122323a3a015b
13103014c1799
146b10cd5715
1539b336c4db
hex20ab446ed7

140312342231 has 8 divisors (see below), whose sum is σ = 140472527520. Its totient is φ = 140152213152.

The previous prime is 140312342189. The next prime is 140312342243. The reversal of 140312342231 is 132243213041.

140312342231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140312342231 - 210 = 140312341207 is a prime.

It is a super-2 number, since 2×1403123422312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140312342231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140312342251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6770321 + ... + 6791013.

It is an arithmetic number, because the mean of its divisors is an integer number (17559065940).

Almost surely, 2140312342231 is an apocalyptic number.

140312342231 is a deficient number, since it is larger than the sum of its proper divisors (160185289).

140312342231 is a wasteful number, since it uses less digits than its factorization.

140312342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28105.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 140312342231 its reverse (132243213041), we get a palindrome (272555555272).

The spelling of 140312342231 in words is "one hundred forty billion, three hundred twelve million, three hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 1069 6343 20693 6780667 22120817 131255699 140312342231