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58191131 is a prime number
BaseRepresentation
bin1101110111111…
…0110100011011
311001111102020002
43131332310123
5104344104011
65435123215
71304421305
oct335766433
9131442202
1058191131
112a935949
12175a350b
13c09582b
147a2a975
155196c3b
hex377ed1b

58191131 has 2 divisors, whose sum is σ = 58191132. Its totient is φ = 58191130.

The previous prime is 58191109. The next prime is 58191149. The reversal of 58191131 is 13119185.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58191131 is a prime.

It is a super-2 number, since 2×581911312 = 6772415454118322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 58191094 and 58191103.

It is not a weakly prime, because it can be changed into another prime (58191431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29095565 + 29095566.

It is an arithmetic number, because the mean of its divisors is an integer number (29095566).

Almost surely, 258191131 is an apocalyptic number.

58191131 is a deficient number, since it is larger than the sum of its proper divisors (1).

58191131 is an equidigital number, since it uses as much as digits as its factorization.

58191131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 29.

The square root of 58191131 is about 7628.3111499204. The cubic root of 58191131 is about 387.5123958574.

The spelling of 58191131 in words is "fifty-eight million, one hundred ninety-one thousand, one hundred thirty-one".