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31134323 = 113191303
BaseRepresentation
bin111011011000…
…1001001110011
32011120210021002
41312301021303
530432244243
63031152215
7525431423
oct166611163
964523232
1031134323
1116635750
12a51566b
1365b139c
1441c6483
152aeeeb8
hex1db1273

31134323 has 8 divisors (see below), whose sum is σ = 35060736. Its totient is φ = 27390600.

The previous prime is 31134289. The next prime is 31134347. The reversal of 31134323 is 32343113.

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 31134323 - 210 = 31133299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31134295 and 31134304.

It is not an unprimeable number, because it can be changed into a prime (31134823) 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, 45311 + ... + 45992.

It is an arithmetic number, because the mean of its divisors is an integer number (4382592).

Almost surely, 231134323 is an apocalyptic number.

31134323 is a deficient number, since it is larger than the sum of its proper divisors (3926413).

31134323 is a wasteful number, since it uses less digits than its factorization.

31134323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91345.

The product of its digits is 648, while the sum is 20.

The square root of 31134323 is about 5579.8138857851. The cubic root of 31134323 is about 314.5911315680.

Adding to 31134323 its reverse (32343113), we get a palindrome (63477436).

The spelling of 31134323 in words is "thirty-one million, one hundred thirty-four thousand, three hundred twenty-three".

Divisors: 1 11 31 341 91303 1004333 2830393 31134323