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31300010 = 2572319441
BaseRepresentation
bin111011101100…
…1100110101010
32011220012112122
41313121212222
531003100020
63034511242
7530021450
oct167314652
964805478
1031300010
1116739185
12a595522
13663b921
14422a9d0
152b34125
hex1dd99aa

31300010 has 32 divisors (see below), whose sum is σ = 67191552. Its totient is φ = 10264320.

The previous prime is 31300007. The next prime is 31300013. The reversal of 31300010 is 1000313.

It is an interprime number because it is at equal distance from previous prime (31300007) and next prime (31300013).

It is not an unprimeable number, because it can be changed into a prime (31300013) 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, 8111 + ... + 11330.

It is an arithmetic number, because the mean of its divisors is an integer number (2099736).

Almost surely, 231300010 is an apocalyptic number.

31300010 is an abundant number, since it is smaller than the sum of its proper divisors (35891542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31300010 is a wasteful number, since it uses less digits than its factorization.

31300010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19478.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 31300010 is about 5594.6411859922. The cubic root of 31300010 is about 315.1481959943.

Adding to 31300010 its reverse (1000313), we get a palindrome (32300323).

The spelling of 31300010 in words is "thirty-one million, three hundred thousand, ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 19441 38882 97205 136087 194410 272174 447143 680435 894286 1360870 2235715 3130001 4471430 6260002 15650005 31300010