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331313105 = 5471409843
BaseRepresentation
bin10011101111110…
…110111111010001
3212002102110010202
4103233312333101
51134304004410
652513104545
711132054264
oct2357667721
9762373122
10331313105
11160021492
1292b58155
1353842676
1432004cdb
151e146ca5
hex13bf6fd1

331313105 has 8 divisors (see below), whose sum is σ = 406035072. Its totient is φ = 259410928.

The previous prime is 331313093. The next prime is 331313111. The reversal of 331313105 is 501313133.

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 331313105 - 212 = 331309009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704687 + ... + 705156.

It is an arithmetic number, because the mean of its divisors is an integer number (50754384).

Almost surely, 2331313105 is an apocalyptic number.

It is an amenable number.

331313105 is a deficient number, since it is larger than the sum of its proper divisors (74721967).

331313105 is a wasteful number, since it uses less digits than its factorization.

331313105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409895.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 331313105 is about 18202.0082683203. The cubic root of 331313105 is about 691.9576868611.

Adding to 331313105 its reverse (501313133), we get a palindrome (832626238).

The spelling of 331313105 in words is "three hundred thirty-one million, three hundred thirteen thousand, one hundred five".

Divisors: 1 5 47 235 1409843 7049215 66262621 331313105