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31484323 = 13171091307
BaseRepresentation
bin111100000011…
…0100110100011
32012020120101001
41320012212203
531024444243
63042452431
7531420013
oct170064643
965216331
1031484323
1116854702
12a664117
1366a47a0
144277c43
152b6da4d
hex1e069a3

31484323 has 16 divisors (see below), whose sum is σ = 36257760. Its totient is φ = 27081216.

The previous prime is 31484317. The next prime is 31484339. The reversal of 31484323 is 32348413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31484323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31484291 and 31484300.

It is not an unprimeable number, because it can be changed into a prime (31484303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23436 + ... + 24742.

It is an arithmetic number, because the mean of its divisors is an integer number (2266110).

Almost surely, 231484323 is an apocalyptic number.

31484323 is a deficient number, since it is larger than the sum of its proper divisors (4773437).

31484323 is a wasteful number, since it uses less digits than its factorization.

31484323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its digits is 6912, while the sum is 28.

The square root of 31484323 is about 5611.0892881864. The cubic root of 31484323 is about 315.7655788241.

The spelling of 31484323 in words is "thirty-one million, four hundred eighty-four thousand, three hundred twenty-three".

Divisors: 1 13 17 109 221 1307 1417 1853 16991 22219 24089 142463 288847 1852019 2421871 31484323