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31339701 = 323482189
BaseRepresentation
bin111011110001…
…1010010110101
32011222012222200
41313203102311
531010332301
63035415113
7530245251
oct167432265
964865880
1031339701
1116765a88
12a5b4499
136653a03
14423b261
152b40c86
hex1de34b5

31339701 has 6 divisors (see below), whose sum is σ = 45268470. Its totient is φ = 20893128.

The previous prime is 31339699. The next prime is 31339717. The reversal of 31339701 is 10793313.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 14447601 = 4110^2 + 3801^2 .

It is not a de Polignac number, because 31339701 - 21 = 31339699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31339001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1741086 + ... + 1741103.

It is an arithmetic number, because the mean of its divisors is an integer number (7544745).

Almost surely, 231339701 is an apocalyptic number.

It is an amenable number.

31339701 is a deficient number, since it is larger than the sum of its proper divisors (13928769).

31339701 is a wasteful number, since it uses less digits than its factorization.

31339701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482195 (or 3482192 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 31339701 is about 5598.1872959021. The cubic root of 31339701 is about 315.2813510474.

The spelling of 31339701 in words is "thirty-one million, three hundred thirty-nine thousand, seven hundred one".

Divisors: 1 3 9 3482189 10446567 31339701