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331200331 = 7114301303
BaseRepresentation
bin10011101111011…
…011011101001011
3212002012201102221
4103233123131023
51134241402311
652510434511
711131104430
oct2357333513
9762181387
10331200331
1115aa54790
1292b02a37
1353803237
1431db5b87
151e123671
hex13bdb74b

331200331 has 8 divisors (see below), whose sum is σ = 412925184. Its totient is φ = 258078120.

The previous prime is 331200263. The next prime is 331200347. The reversal of 331200331 is 133002133.

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 331200331 - 213 = 331192139 is a prime.

It is a super-2 number, since 2×3312003312 = 219387318509019122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331200361) 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 7 ways as a sum of consecutive naturals, for example, 2150575 + ... + 2150728.

It is an arithmetic number, because the mean of its divisors is an integer number (51615648).

Almost surely, 2331200331 is an apocalyptic number.

331200331 is a deficient number, since it is larger than the sum of its proper divisors (81724853).

331200331 is a wasteful number, since it uses less digits than its factorization.

331200331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301321.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 331200331 is about 18198.9101596771. The cubic root of 331200331 is about 691.8791672869.

Adding to 331200331 its reverse (133002133), we get a palindrome (464202464).

The spelling of 331200331 in words is "three hundred thirty-one million, two hundred thousand, three hundred thirty-one".

Divisors: 1 7 11 77 4301303 30109121 47314333 331200331