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1342311233 = 6132189741
BaseRepresentation
bin101000000000010…
…0000101101000001
310110112210110211212
41100000200231001
510222112424413
6341110215505
745156312554
oct12000405501
93415713755
101342311233
1162977732a
12315654595
13185130803
14ca3b669b
157cc9bca8
hex50020b41

1342311233 has 4 divisors (see below), whose sum is σ = 1344501588. Its totient is φ = 1340120880.

The previous prime is 1342311193. The next prime is 1342311247. The reversal of 1342311233 is 3321132431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3321132431 = 15532138527.

It can be written as a sum of positive squares in 2 ways, for example, as 462121009 + 880190224 = 21497^2 + 29668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342311233 - 222 = 1338116929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342311199 and 1342311208.

It is not an unprimeable number, because it can be changed into a prime (1342316233) 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, 1094258 + ... + 1095483.

It is an arithmetic number, because the mean of its divisors is an integer number (336125397).

Almost surely, 21342311233 is an apocalyptic number.

It is an amenable number.

1342311233 is a deficient number, since it is larger than the sum of its proper divisors (2190355).

1342311233 is an equidigital number, since it uses as much as digits as its factorization.

1342311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190354.

The product of its digits is 1296, while the sum is 23.

The square root of 1342311233 is about 36637.5658716569. The cubic root of 1342311233 is about 1103.1072565719.

Adding to 1342311233 its reverse (3321132431), we get a palindrome (4663443664).

The spelling of 1342311233 in words is "one billion, three hundred forty-two million, three hundred eleven thousand, two hundred thirty-three".

Divisors: 1 613 2189741 1342311233