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64113031 is a prime number
BaseRepresentation
bin1111010010010…
…0100110000111
311110122021112201
43310210212013
5112403104111
610210055331
71405644313
oct364444607
9143567481
1064113031
1133210084
121957a547
131038a108
14872cb43
1559666c1
hex3d24987

64113031 has 2 divisors, whose sum is σ = 64113032. Its totient is φ = 64113030.

The previous prime is 64112981. The next prime is 64113041. The reversal of 64113031 is 13031146.

64113031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64113031 - 219 = 63588743 is a prime.

It is a super-2 number, since 2×641130312 = 8220961488013922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64113041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32056515 + 32056516.

It is an arithmetic number, because the mean of its divisors is an integer number (32056516).

Almost surely, 264113031 is an apocalyptic number.

64113031 is a deficient number, since it is larger than the sum of its proper divisors (1).

64113031 is an equidigital number, since it uses as much as digits as its factorization.

64113031 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 64113031 is about 8007.0613211090. The cubic root of 64113031 is about 400.2353427573.

Adding to 64113031 its reverse (13031146), we get a palindrome (77144177).

The spelling of 64113031 in words is "sixty-four million, one hundred thirteen thousand, thirty-one".