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1330302331 = 11311772587
BaseRepresentation
bin100111101001010…
…1100110101111011
310102201012100201201
41033102230311323
510211024133311
6340000555031
744652245311
oct11722546573
93381170651
101330302331
11622a14916
12311622a77
131827b7757
14c896c0b1
157bbc89c1
hex4f4acd7b

1330302331 has 4 divisors (see below), whose sum is σ = 1342075032. Its totient is φ = 1318529632.

The previous prime is 1330302319. The next prime is 1330302361. The reversal of 1330302331 is 1332030331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1330302331 is a prime.

It is a super-2 number, since 2×13303023312 = 3539408583728067122, 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 = 1330302299 and 1330302308.

It is not an unprimeable number, because it can be changed into a prime (1330302361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5886181 + ... + 5886406.

It is an arithmetic number, because the mean of its divisors is an integer number (335518758).

Almost surely, 21330302331 is an apocalyptic number.

1330302331 is a deficient number, since it is larger than the sum of its proper divisors (11772701).

1330302331 is a wasteful number, since it uses less digits than its factorization.

1330302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772700.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1330302331 is about 36473.3098443231. The cubic root of 1330302331 is about 1099.8077710925.

Adding to 1330302331 its reverse (1332030331), we get a palindrome (2662332662).

Subtracting 1330302331 from its reverse (1332030331), we obtain a cube (1728000 = 1203).

The spelling of 1330302331 in words is "one billion, three hundred thirty million, three hundred two thousand, three hundred thirty-one".

Divisors: 1 113 11772587 1330302331