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BaseRepresentation
bin111011011000…
…1000110011001
32011120202222000
41312301012121
530432242410
63031151213
7525430662
oct166610631
964522860
1031134105
1116635572
12a515509
1365b1262
1441c6369
152aeedc0
hex1db1199

31134105 has 32 divisors (see below), whose sum is σ = 55662720. Its totient is φ = 16511040.

The previous prime is 31134101. The next prime is 31134113. The reversal of 31134105 is 50143113.

It is not a de Polignac number, because 31134105 - 22 = 31134101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31134101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27939 + ... + 29031.

It is an arithmetic number, because the mean of its divisors is an integer number (1739460).

Almost surely, 231134105 is an apocalyptic number.

It is an amenable number.

31134105 is a deficient number, since it is larger than the sum of its proper divisors (24528615).

31134105 is a wasteful number, since it uses less digits than its factorization.

31134105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 31134105 is about 5579.7943510491. The cubic root of 31134105 is about 314.5903973191.

Adding to 31134105 its reverse (50143113), we get a palindrome (81277218).

The spelling of 31134105 in words is "thirty-one million, one hundred thirty-four thousand, one hundred five".