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1344130311 = 3448043437
BaseRepresentation
bin101000000011101…
…1100110100000111
310110200012220011010
41100013130310013
510223044132221
6341213213303
745210630156
oct12007346407
93420186133
101344130311
1162a7a9aa7
12316191233
131856197a4
14ca72b59d
157d00ac76
hex501dcd07

1344130311 has 4 divisors (see below), whose sum is σ = 1792173752. Its totient is φ = 896086872.

The previous prime is 1344130289. The next prime is 1344130343. The reversal of 1344130311 is 1130314431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1130314431 = 3376771477.

It is not a de Polignac number, because 1344130311 - 210 = 1344129287 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 (1344130811) 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, 224021716 + ... + 224021721.

It is an arithmetic number, because the mean of its divisors is an integer number (448043438).

Almost surely, 21344130311 is an apocalyptic number.

1344130311 is a deficient number, since it is larger than the sum of its proper divisors (448043441).

1344130311 is an equidigital number, since it uses as much as digits as its factorization.

1344130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448043440.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1344130311 is about 36662.3827785375. The cubic root of 1344130311 is about 1103.6053358848.

Adding to 1344130311 its reverse (1130314431), we get a palindrome (2474444742).

The spelling of 1344130311 in words is "one billion, three hundred forty-four million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 3 448043437 1344130311