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330212131 = 1719424243
BaseRepresentation
bin10011101011101…
…010001100100011
3212000100111212221
4103223222030203
51134013242011
652433331511
711116520404
oct2353521443
9760314787
10330212131
1115a43a297
1292706b97
13535484c2
1431bd99ab
151deca971
hex13aea323

330212131 has 4 divisors (see below), whose sum is σ = 349636392. Its totient is φ = 310787872.

The previous prime is 330212107. The next prime is 330212137. The reversal of 330212131 is 131212033.

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 330212131 - 29 = 330211619 is a prime.

It is a super-2 number, since 2×3302121312 = 218080102919122322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330212137) 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, 9712105 + ... + 9712138.

It is an arithmetic number, because the mean of its divisors is an integer number (87409098).

Almost surely, 2330212131 is an apocalyptic number.

330212131 is a deficient number, since it is larger than the sum of its proper divisors (19424261).

330212131 is a wasteful number, since it uses less digits than its factorization.

330212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19424260.

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

The square root of 330212131 is about 18171.7399001857. The cubic root of 330212131 is about 691.1903635057.

Adding to 330212131 its reverse (131212033), we get a palindrome (461424164).

The spelling of 330212131 in words is "three hundred thirty million, two hundred twelve thousand, one hundred thirty-one".

Divisors: 1 17 19424243 330212131