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111112020331 = 1315315582677
BaseRepresentation
bin110011101111011001…
…0101110000101101011
3101121210120212110111021
41213132302232011223
53310024134122311
6123013312113311
711012313406144
oct1473662560553
9347716773437
10111112020331
1143138925484
121964b235837
13a6299c8bc0
145540b70acb
152d54a55171
hex19decae16b

111112020331 has 8 divisors (see below), whose sum is σ = 119737277744. Its totient is φ = 102497931360.

The previous prime is 111112020329. The next prime is 111112020347. The reversal of 111112020331 is 133020211111.

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 111112020331 - 21 = 111112020329 is a prime.

It is a super-2 number, since 2×1111120203312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112020731) 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, 2771436 + ... + 2811241.

It is an arithmetic number, because the mean of its divisors is an integer number (14967159718).

Almost surely, 2111112020331 is an apocalyptic number.

111112020331 is a deficient number, since it is larger than the sum of its proper divisors (8625257413).

111112020331 is a wasteful number, since it uses less digits than its factorization.

111112020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584221.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111112020331 its reverse (133020211111), we get a palindrome (244132231442).

The spelling of 111112020331 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, three hundred thirty-one".

Divisors: 1 13 1531 19903 5582677 72574801 8547078487 111112020331