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3313312391 = 131152316607
BaseRepresentation
bin1100010101111101…
…0010001010000111
322112220120201010202
43011133102022013
523241201444031
61304435441115
7145051455614
oct30537221207
98486521122
103313312391
111450307704
1278575619b
1340a59379c
1423608350b
15145d322cb
hexc57d2287

3313312391 has 8 divisors (see below), whose sum is σ = 3340998144. Its totient is φ = 3285663160.

The previous prime is 3313312367. The next prime is 3313312421. The reversal of 3313312391 is 1932133133.

It is a happy number.

3313312391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3313312391 - 210 = 3313311367 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 (3313312351) 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, 191210 + ... + 207816.

It is an arithmetic number, because the mean of its divisors is an integer number (417624768).

Almost surely, 23313312391 is an apocalyptic number.

3313312391 is a deficient number, since it is larger than the sum of its proper divisors (27685753).

3313312391 is a wasteful number, since it uses less digits than its factorization.

3313312391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261.

The product of its digits is 4374, while the sum is 29.

The square root of 3313312391 is about 57561.3793354537. The cubic root of 3313312391 is about 1490.8048428656.

The spelling of 3313312391 in words is "three billion, three hundred thirteen million, three hundred twelve thousand, three hundred ninety-one".

Divisors: 1 131 1523 16607 199513 2175517 25292461 3313312391