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31024141 is a prime number
BaseRepresentation
bin111011001011…
…0010000001101
32011101012010021
41312112100031
530420233031
63024542141
7524462251
oct166262015
964335107
1031024141
111656a995
12a481951
1365731a5
144198261
152acc511
hex1d9640d

31024141 has 2 divisors, whose sum is σ = 31024142. Its totient is φ = 31024140.

The previous prime is 31024139. The next prime is 31024153. The reversal of 31024141 is 14142013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26739241 + 4284900 = 5171^2 + 2070^2 .

It is an emirp because it is prime and its reverse (14142013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31024141 - 21 = 31024139 is a prime.

Together with 31024139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31024121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15512070 + 15512071.

It is an arithmetic number, because the mean of its divisors is an integer number (15512071).

Almost surely, 231024141 is an apocalyptic number.

It is an amenable number.

31024141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31024141 is an equidigital number, since it uses as much as digits as its factorization.

31024141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 31024141 is about 5569.9318667287. The cubic root of 31024141 is about 314.2195882427.

Adding to 31024141 its reverse (14142013), we get a palindrome (45166154).

It can be divided in two parts, 3 and 1024141, that added together give a square (1024144 = 10122).

The spelling of 31024141 in words is "thirty-one million, twenty-four thousand, one hundred forty-one".