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1330201231 = 2295808739
BaseRepresentation
bin100111101001001…
…0100001010001111
310102201000020001021
41033102110022033
510211012414411
6335554455011
744651344462
oct11722241217
93381006037
101330201231
11622955967
12311594467
13182780728
14c89432d9
157bba8a71
hex4f49428f

1330201231 has 4 divisors (see below), whose sum is σ = 1336010200. Its totient is φ = 1324392264.

The previous prime is 1330201207. The next prime is 1330201241. The reversal of 1330201231 is 1321020331.

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

It is a cyclic number.

It is not a de Polignac number, because 1330201231 - 211 = 1330199183 is a prime.

It is a super-2 number, since 2×13302012312 = 3538870629907830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330201241) 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, 2904141 + ... + 2904598.

It is an arithmetic number, because the mean of its divisors is an integer number (334002550).

Almost surely, 21330201231 is an apocalyptic number.

1330201231 is a deficient number, since it is larger than the sum of its proper divisors (5808969).

1330201231 is an equidigital number, since it uses as much as digits as its factorization.

1330201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808968.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1330201231 is about 36471.9238730287. The cubic root of 1330201231 is about 1099.7799094102.

Adding to 1330201231 its reverse (1321020331), we get a palindrome (2651221562).

Subtracting from 1330201231 its reverse (1321020331), we obtain a square (9180900 = 30302).

The spelling of 1330201231 in words is "one billion, three hundred thirty million, two hundred one thousand, two hundred thirty-one".

Divisors: 1 229 5808739 1330201231