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31234141 is a prime number
BaseRepresentation
bin111011100100…
…1100001011101
32011202212012001
41313021201131
530443443031
63033242301
7526325431
oct167114135
964685161
1031234141
11166a3744
12a563391
136617953
1442109c1
152b1e861
hex1dc985d

31234141 has 2 divisors, whose sum is σ = 31234142. Its totient is φ = 31234140.

The previous prime is 31234109. The next prime is 31234183. The reversal of 31234141 is 14143213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31125241 + 108900 = 5579^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 31234141 - 25 = 31234109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31234241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617070 + 15617071.

It is an arithmetic number, because the mean of its divisors is an integer number (15617071).

Almost surely, 231234141 is an apocalyptic number.

It is an amenable number.

31234141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234141 is an equidigital number, since it uses as much as digits as its factorization.

31234141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 31234141 is about 5588.7512916572. The cubic root of 31234141 is about 314.9269705566.

Adding to 31234141 its reverse (14143213), we get a palindrome (45377354).

It can be divided in two parts, 31234 and 141, that added together give a triangular number (31375 = T250).

The spelling of 31234141 in words is "thirty-one million, two hundred thirty-four thousand, one hundred forty-one".