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331430203 = 1326939467
BaseRepresentation
bin10011110000010…
…011100100111011
3212002122101202201
4103300103210323
51134321231303
652515411031
711133052546
oct2360234473
9762571681
10331430203
111600a1465
1292bb3a77
1353883a60
143203585d
151e16b81d
hex13c1393b

331430203 has 8 divisors (see below), whose sum is σ = 357095088. Its totient is φ = 305789664.

The previous prime is 331430191. The next prime is 331430213. The reversal of 331430203 is 302034133.

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 331430203 - 213 = 331422011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331430213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30276 + ... + 39742.

It is an arithmetic number, because the mean of its divisors is an integer number (44636886).

Almost surely, 2331430203 is an apocalyptic number.

331430203 is a deficient number, since it is larger than the sum of its proper divisors (25664885).

331430203 is a wasteful number, since it uses less digits than its factorization.

331430203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 331430203 is about 18205.2246072384. The cubic root of 331430203 is about 692.0391981928.

Adding to 331430203 its reverse (302034133), we get a palindrome (633464336).

The spelling of 331430203 in words is "three hundred thirty-one million, four hundred thirty thousand, two hundred three".

Divisors: 1 13 2693 9467 35009 123071 25494631 331430203