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1342310321 = 11122028211
BaseRepresentation
bin101000000000010…
…0000011110110001
310110112210102121002
41100000200132301
510222112412241
6341110211345
745156310112
oct12000403661
93415712532
101342310321
11629776680
12315653b55
13185130281
14ca3b6209
157cc9b89b
hex500207b1

1342310321 has 4 divisors (see below), whose sum is σ = 1464338544. Its totient is φ = 1220282100.

The previous prime is 1342310273. The next prime is 1342310329. The reversal of 1342310321 is 1230132431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1230132431 = 11111830221.

It is a cyclic number.

It is not a de Polignac number, because 1342310321 - 214 = 1342293937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342310293 and 1342310302.

It is not an unprimeable number, because it can be changed into a prime (1342310329) 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, 61014095 + ... + 61014116.

It is an arithmetic number, because the mean of its divisors is an integer number (366084636).

Almost surely, 21342310321 is an apocalyptic number.

1342310321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342310321 is a deficient number, since it is larger than the sum of its proper divisors (122028223).

1342310321 is a wasteful number, since it uses less digits than its factorization.

1342310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122028222.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1342310321 is about 36637.5534254131. The cubic root of 1342310321 is about 1103.1070067456.

Adding to 1342310321 its reverse (1230132431), we get a palindrome (2572442752).

The spelling of 1342310321 in words is "one billion, three hundred forty-two million, three hundred ten thousand, three hundred twenty-one".

Divisors: 1 11 122028211 1342310321