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331020103 = 8917321499
BaseRepresentation
bin10011101110101…
…111011101000111
3212001212120012211
4103232233131013
51134220120403
652502524251
711126424121
oct2356573507
9761776184
10331020103
1115a941337
1292a36687
135376c1ab
1431d6a211
151e0da06d
hex13baf747

331020103 has 8 divisors (see below), whose sum is σ = 336690000. Its totient is φ = 325393728.

The previous prime is 331020097. The next prime is 331020119. The reversal of 331020103 is 301020133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331020103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331023103) 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, 4648 + ... + 26146.

It is an arithmetic number, because the mean of its divisors is an integer number (42086250).

Almost surely, 2331020103 is an apocalyptic number.

331020103 is a deficient number, since it is larger than the sum of its proper divisors (5669897).

331020103 is a wasteful number, since it uses less digits than its factorization.

331020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21761.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 331020103 is about 18193.9578706778. The cubic root of 331020103 is about 691.7536454479.

Adding to 331020103 its reverse (301020133), we get a palindrome (632040236).

The spelling of 331020103 in words is "three hundred thirty-one million, twenty thousand, one hundred three".

Divisors: 1 89 173 15397 21499 1913411 3719327 331020103