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61080431 is a prime number
BaseRepresentation
bin1110100100000…
…0001101101111
311020221012121012
43221000031233
5111114033211
610021055435
71341114026
oct351001557
9136835535
1061080431
11315296a5
121855757b
13c867989
14817d8bd
155567d8b
hex3a4036f

61080431 has 2 divisors, whose sum is σ = 61080432. Its totient is φ = 61080430.

The previous prime is 61080427. The next prime is 61080449. The reversal of 61080431 is 13408016.

61080431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61080431 - 22 = 61080427 is a prime.

It is a super-2 number, since 2×610804312 = 7461638102291522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61080397 and 61080406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61070431) 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, 30540215 + 30540216.

It is an arithmetic number, because the mean of its divisors is an integer number (30540216).

Almost surely, 261080431 is an apocalyptic number.

61080431 is a deficient number, since it is larger than the sum of its proper divisors (1).

61080431 is an equidigital number, since it uses as much as digits as its factorization.

61080431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 61080431 is about 7815.3970468556. The cubic root of 61080431 is about 393.8226567526.

Adding to 61080431 its reverse (13408016), we get a palindrome (74488447).

The spelling of 61080431 in words is "sixty-one million, eighty thousand, four hundred thirty-one".