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31314111 = 338926833
BaseRepresentation
bin111011101110…
…1000010111111
32011220220212220
41313131002333
531004022421
63035100423
7530110533
oct167350277
964826786
1031314111
1116748834
12a5a1713
13664517a
144231bc3
152b383c6
hex1ddd0bf

31314111 has 8 divisors (see below), whose sum is σ = 41861040. Its totient is φ = 20821632.

The previous prime is 31314103. The next prime is 31314131. The reversal of 31314111 is 11141313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31314111 - 23 = 31314103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12250 + ... + 14583.

It is an arithmetic number, because the mean of its divisors is an integer number (5232630).

Almost surely, 231314111 is an apocalyptic number.

31314111 is a deficient number, since it is larger than the sum of its proper divisors (10546929).

31314111 is a wasteful number, since it uses less digits than its factorization.

31314111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27225.

The product of its digits is 36, while the sum is 15.

The square root of 31314111 is about 5595.9012678924. The cubic root of 31314111 is about 315.1955148028.

Adding to 31314111 its reverse (11141313), we get a palindrome (42455424).

The spelling of 31314111 in words is "thirty-one million, three hundred fourteen thousand, one hundred eleven".

Divisors: 1 3 389 1167 26833 80499 10438037 31314111