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323142420311 = 412778299593
BaseRepresentation
bin1001011001111001100…
…10100000011101010111
31010220002100110210021022
410230330302200131113
520243243424422221
6404241035311355
732226525152444
oct4547462403527
91126070423238
10323142420311
111150535211a7
12527638ab55b
132461a564939
14118d69049cb
1586142524ab
hex4b3cca0757

323142420311 has 4 divisors (see below), whose sum is σ = 323220724032. Its totient is φ = 323064116592.

The previous prime is 323142420287. The next prime is 323142420343. The reversal of 323142420311 is 113024241323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113024241323 = 716146320189.

It is a cyclic number.

It is not a de Polignac number, because 323142420311 - 218 = 323142158167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323141420311) 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, 39145670 + ... + 39153923.

It is an arithmetic number, because the mean of its divisors is an integer number (80805181008).

Almost surely, 2323142420311 is an apocalyptic number.

323142420311 is a deficient number, since it is larger than the sum of its proper divisors (78303721).

323142420311 is an equidigital number, since it uses as much as digits as its factorization.

323142420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78303720.

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

Adding to 323142420311 its reverse (113024241323), we get a palindrome (436166661634).

The spelling of 323142420311 in words is "three hundred twenty-three billion, one hundred forty-two million, four hundred twenty thousand, three hundred eleven".

Divisors: 1 4127 78299593 323142420311