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31330010 = 258337747
BaseRepresentation
bin111011110000…
…0111011011010
32011221201200202
41313200323122
531010030020
63035302202
7530205065
oct167407332
964851622
1031330010
1116759778
12a5aa962
13664c48a
1442378dc
152b3ce75
hex1de0eda

31330010 has 16 divisors (see below), whose sum is σ = 57074976. Its totient is φ = 12380688.

The previous prime is 31330007. The next prime is 31330043. The reversal of 31330010 is 1003313.

It is a junction number, because it is equal to n+sod(n) for n = 31329973 and 31330000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18044 + ... + 19703.

It is an arithmetic number, because the mean of its divisors is an integer number (3567186).

Almost surely, 231330010 is an apocalyptic number.

31330010 is a deficient number, since it is larger than the sum of its proper divisors (25744966).

31330010 is a wasteful number, since it uses less digits than its factorization.

31330010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37837.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 31330010 is about 5597.3216809471. The cubic root of 31330010 is about 315.2488501357.

Adding to 31330010 its reverse (1003313), we get a palindrome (32333323).

The spelling of 31330010 in words is "thirty-one million, three hundred thirty thousand, ten".

Divisors: 1 2 5 10 83 166 415 830 37747 75494 188735 377470 3133001 6266002 15665005 31330010