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3112113231 = 34131929129
BaseRepresentation
bin1011100101111111…
…0001010001001111
322000212222201210000
42321133301101033
522333200110411
61232451215343
7140056345263
oct27137612117
98025881700
103112113231
111357785807
1272a2a7553
133a79a9726
1421746c0a3
1513333c956
hexb97f144f

3112113231 has 20 divisors (see below), whose sum is σ = 4652643600. Its totient is φ = 2073098016.

The previous prime is 3112113223. The next prime is 3112113259. The reversal of 3112113231 is 1323112113.

It is not a de Polignac number, because 3112113231 - 23 = 3112113223 is a prime.

It is a super-2 number, since 2×31121132312 = 19370497525130518722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92275 + ... + 121403.

It is an arithmetic number, because the mean of its divisors is an integer number (232632180).

Almost surely, 23112113231 is an apocalyptic number.

3112113231 is a deficient number, since it is larger than the sum of its proper divisors (1540530369).

3112113231 is a wasteful number, since it uses less digits than its factorization.

3112113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30460 (or 30451 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 3112113231 is about 55786.3175967011. The cubic root of 3112113231 is about 1459.9964394421.

Adding to 3112113231 its reverse (1323112113), we get a palindrome (4435225344).

The spelling of 3112113231 in words is "three billion, one hundred twelve million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 3 9 27 81 1319 3957 11871 29129 35613 87387 106839 262161 786483 2359449 38421151 115263453 345790359 1037371077 3112113231