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331201214 = 2211784837
BaseRepresentation
bin10011101111011…
…011101010111110
3212002012202122122
4103233123222332
51134241414324
652510442542
711131110131
oct2357335276
9762182578
10331201214
1115aa55413
1292b03452
1353803766
1431db6218
151e123a5e
hex13bdbabe

331201214 has 8 divisors (see below), whose sum is σ = 499156968. Its totient is φ = 164815560.

The previous prime is 331201193. The next prime is 331201229. The reversal of 331201214 is 412102133.

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

It is a junction number, because it is equal to n+sod(n) for n = 331201192 and 331201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391997 + ... + 392840.

It is an arithmetic number, because the mean of its divisors is an integer number (62394621).

Almost surely, 2331201214 is an apocalyptic number.

331201214 is a deficient number, since it is larger than the sum of its proper divisors (167955754).

331201214 is a wasteful number, since it uses less digits than its factorization.

331201214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785050.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 331201214 is about 18198.9344193554. The cubic root of 331201214 is about 691.8797821502.

Adding to 331201214 its reverse (412102133), we get a palindrome (743303347).

The spelling of 331201214 in words is "three hundred thirty-one million, two hundred one thousand, two hundred fourteen".

Divisors: 1 2 211 422 784837 1569674 165600607 331201214