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112111031 = 1572412963
BaseRepresentation
bin1101010111010…
…10110110110111
321210221211102102
412223222312313
5212200023111
615042532315
72530633214
oct653526667
9253854372
10112111031
115831374a
123166709b
131a2c41b6
1410c64b0b
159c9813b
hex6aeadb7

112111031 has 8 divisors (see below), whose sum is σ = 113331504. Its totient is φ = 110897280.

The previous prime is 112111009. The next prime is 112111049. The reversal of 112111031 is 130111211.

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 112111031 - 222 = 107916727 is a prime.

It is a super-2 number, since 2×1121110312 = 25137766543765922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111091) 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, 36356 + ... + 39318.

It is an arithmetic number, because the mean of its divisors is an integer number (14166438).

Almost surely, 2112111031 is an apocalyptic number.

112111031 is a deficient number, since it is larger than the sum of its proper divisors (1220473).

112111031 is a wasteful number, since it uses less digits than its factorization.

112111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 112111031 is about 10588.2496664935. The cubic root of 112111031 is about 482.1876862434.

Adding to 112111031 its reverse (130111211), we get a palindrome (242222242).

The spelling of 112111031 in words is "one hundred twelve million, one hundred eleven thousand, thirty-one".

Divisors: 1 157 241 2963 37837 465191 714083 112111031