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130858031 is a prime number
BaseRepresentation
bin1111100110010…
…11110000101111
3100010020021110202
413303023300233
5231444424111
620552424115
73146163203
oct763136057
9303207422
10130858031
1167958637
12379a803b
13211591b5
1413544b03
15b74cb3b
hex7ccbc2f

130858031 has 2 divisors, whose sum is σ = 130858032. Its totient is φ = 130858030.

The previous prime is 130858001. The next prime is 130858033.

130858031 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 130858031 - 26 = 130857967 is a prime.

It is a super-2 number, since 2×1308580312 = 34247648554393922, which contains 22 as substring.

Together with 130858033, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p7424075 and since 130858031 and 7424075 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 130857985 and 130858003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130858033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65429015 + 65429016.

It is an arithmetic number, because the mean of its divisors is an integer number (65429016).

Almost surely, 2130858031 is an apocalyptic number.

130858031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130858031 is an equidigital number, since it uses as much as digits as its factorization.

130858031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 130858031 is about 11439.3195164747. The cubic root of 130858031 is about 507.6917744497.

The spelling of 130858031 in words is "one hundred thirty million, eight hundred fifty-eight thousand, thirty-one".