130555231 has 2 divisors, whose sum is σ = 130555232. Its totient is φ = 130555230.

The previous prime is 130555219. The next prime is 130555247. The reversal of 130555231 is 132555031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130555231 - 2¹⁵ = 130522463 is a prime.

It is a super-2 number, since 2×130555231² = 34089336682926722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130555196 and 130555205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130555211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65277615 + 65277616.

It is an arithmetic number, because the mean of its divisors is an integer number (65277616).

Almost surely, 2^130555231 is an apocalyptic number.

130555231 is a deficient number, since it is larger than the sum of its proper divisors (1).

130555231 is an equidigital number, since it uses as much as digits as its factorization.

130555231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 130555231 is about 11426.0767982716. The cubic root of 130555231 is about 507.2998795210.

The spelling of 130555231 in words is "one hundred thirty million, five hundred fifty-five thousand, two hundred thirty-one".