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31133330327 = 1119148963303
BaseRepresentation
bin11100111111101100…
…001110101110010111
32222100201212001022102
4130333230032232113
51002230113032302
622145155152315
72151340640621
oct347754165627
988321761272
1031133330327
1112226a53970
12604a5a569b
132c22115868
141714b81c11
15c23395702
hex73fb0eb97

31133330327 has 8 divisors (see below), whose sum is σ = 35751192960. Its totient is φ = 26813394360.

The previous prime is 31133330323. The next prime is 31133330363. The reversal of 31133330327 is 72303333113.

It is a happy number.

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 31133330327 - 22 = 31133330323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31133330327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133330323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74481443 + ... + 74481860.

It is an arithmetic number, because the mean of its divisors is an integer number (4468899120).

Almost surely, 231133330327 is an apocalyptic number.

31133330327 is a deficient number, since it is larger than the sum of its proper divisors (4617862633).

31133330327 is a wasteful number, since it uses less digits than its factorization.

31133330327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148963333.

The product of its (nonzero) digits is 10206, while the sum is 29.

The spelling of 31133330327 in words is "thirty-one billion, one hundred thirty-three million, three hundred thirty thousand, three hundred twenty-seven".

Divisors: 1 11 19 209 148963303 1638596333 2830302757 31133330327