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1330320311 = 37229157007
BaseRepresentation
bin100111101001011…
…0001001110110111
310102201020021101122
41033102301032313
510211030222221
6340001214155
744652351605
oct11722611667
93381207348
101330320311
11622a27381
1231163135b
131827c29a8
14c8974875
157bbcdeab
hex4f4b13b7

1330320311 has 8 divisors (see below), whose sum is σ = 1372249920. Its totient is φ = 1288705248.

The previous prime is 1330320247. The next prime is 1330320319. The reversal of 1330320311 is 1130230331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330320311 - 26 = 1330320247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330320311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330320319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70031 + ... + 86976.

It is an arithmetic number, because the mean of its divisors is an integer number (171531240).

Almost surely, 21330320311 is an apocalyptic number.

1330320311 is a deficient number, since it is larger than the sum of its proper divisors (41929609).

1330320311 is a wasteful number, since it uses less digits than its factorization.

1330320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157273.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1330320311 is about 36473.5563250967. The cubic root of 1330320311 is about 1099.8127259698.

Adding to 1330320311 its reverse (1130230331), we get a palindrome (2460550642).

The spelling of 1330320311 in words is "one billion, three hundred thirty million, three hundred twenty thousand, three hundred eleven".

Divisors: 1 37 229 8473 157007 5809259 35954603 1330320311