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31062061 is a prime number
BaseRepresentation
bin111011001111…
…1100000101101
32011110010010201
41312133200231
530422441221
63025433501
7525010642
oct166374055
964403121
1031062061
1116596428
12a49b891
136587524
1441a7dc9
152ad8891
hex1d9f82d

31062061 has 2 divisors, whose sum is σ = 31062062. Its totient is φ = 31062060.

The previous prime is 31062023. The next prime is 31062067. The reversal of 31062061 is 16026013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26677225 + 4384836 = 5165^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 31062061 - 211 = 31060013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31062067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15531030 + 15531031.

It is an arithmetic number, because the mean of its divisors is an integer number (15531031).

Almost surely, 231062061 is an apocalyptic number.

It is an amenable number.

31062061 is a deficient number, since it is larger than the sum of its proper divisors (1).

31062061 is an equidigital number, since it uses as much as digits as its factorization.

31062061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 31062061 is about 5573.3348185803. The cubic root of 31062061 is about 314.3475569271.

Adding to 31062061 its reverse (16026013), we get a palindrome (47088074).

The spelling of 31062061 in words is "thirty-one million, sixty-two thousand, sixty-one".