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331310214 = 232163112921
BaseRepresentation
bin10011101111110…
…110010010000110
3212002102022011200
4103233312102012
51134303411324
652513043330
711132042664
oct2357662206
9762368150
10331310214
1116001a2a4
1292b56546
1353841261
1432003c34
151e145ec9
hex13bf6486

331310214 has 24 divisors (see below), whose sum is σ = 722249112. Its totient is φ = 109758240.

The previous prime is 331310209. The next prime is 331310233. The reversal of 331310214 is 412013133.

331310214 is a `hidden beast` number, since 331 + 310 + 21 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53527 + ... + 59394.

It is an arithmetic number, because the mean of its divisors is an integer number (30093713).

Almost surely, 2331310214 is an apocalyptic number.

331310214 is an abundant number, since it is smaller than the sum of its proper divisors (390938898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331310214 is a wasteful number, since it uses less digits than its factorization.

331310214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113092 (or 113089 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 331310214 is about 18201.9288538330. The cubic root of 331310214 is about 691.9556742076.

Adding to 331310214 its reverse (412013133), we get a palindrome (743323347).

The spelling of 331310214 in words is "three hundred thirty-one million, three hundred ten thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 163 326 489 978 1467 2934 112921 225842 338763 677526 1016289 2032578 18406123 36812246 55218369 110436738 165655107 331310214