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130175531 is a prime number
BaseRepresentation
bin1111100001001…
…01001000101011
3100001221121020222
413300211020223
5231311104111
620530040255
73140321333
oct760451053
9301847228
10130175531
1167531892
123771908b
1320c7a655
14134080c3
15b6657db
hex7c2522b

130175531 has 2 divisors, whose sum is σ = 130175532. Its totient is φ = 130175530.

The previous prime is 130175471. The next prime is 130175537. The reversal of 130175531 is 135571031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130175531 - 26 = 130175467 is a prime.

It is a super-2 number, since 2×1301755312 = 33891337742263922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130175531.

It is not a weakly prime, because it can be changed into another prime (130175537) 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, 65087765 + 65087766.

It is an arithmetic number, because the mean of its divisors is an integer number (65087766).

Almost surely, 2130175531 is an apocalyptic number.

130175531 is a deficient number, since it is larger than the sum of its proper divisors (1).

130175531 is an equidigital number, since it uses as much as digits as its factorization.

130175531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 130175531 is about 11409.4491979236. The cubic root of 130175531 is about 506.8076005008.

The spelling of 130175531 in words is "one hundred thirty million, one hundred seventy-five thousand, five hundred thirty-one".