Search a number
-
+
1342304231 = 3593739009
BaseRepresentation
bin101000000000001…
…1110111111100111
310110112210010020112
41100000132333213
510222112213411
6341110123235
745156253262
oct12000367747
93415703215
101342304231
11629772044
1231565051b
1318512a578
14ca3b3cd9
157cc99b8b
hex5001efe7

1342304231 has 4 divisors (see below), whose sum is σ = 1346043600. Its totient is φ = 1338564864.

The previous prime is 1342304209. The next prime is 1342304251. The reversal of 1342304231 is 1324032431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324032431 = 4313072001.

It is a cyclic number.

It is not a de Polignac number, because 1342304231 - 226 = 1275195367 is a prime.

It is a super-2 number, since 2×13423042312 = 3603561297121002722, 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 = 1342304197 and 1342304206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342304251) 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, 1869146 + ... + 1869863.

It is an arithmetic number, because the mean of its divisors is an integer number (336510900).

Almost surely, 21342304231 is an apocalyptic number.

1342304231 is a deficient number, since it is larger than the sum of its proper divisors (3739369).

1342304231 is an equidigital number, since it uses as much as digits as its factorization.

1342304231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739368.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1342304231 is about 36637.4703138740. The cubic root of 1342304231 is about 1103.1053384945.

Adding to 1342304231 its reverse (1324032431), we get a palindrome (2666336662).

The spelling of 1342304231 in words is "one billion, three hundred forty-two million, three hundred four thousand, two hundred thirty-one".

Divisors: 1 359 3739009 1342304231