130436231 has 2 divisors, whose sum is σ = 130436232. Its totient is φ = 130436230.

The previous prime is 130436221. The next prime is 130436237. The reversal of 130436231 is 132634031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130436231 - 2¹⁴ = 130419847 is a prime.

It is a super-2 number, since 2×130436231² = 34027220714970722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130436197 and 130436206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130436237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65218115 + 65218116.

It is an arithmetic number, because the mean of its divisors is an integer number (65218116).

Almost surely, 2^130436231 is an apocalyptic number.

130436231 is a deficient number, since it is larger than the sum of its proper divisors (1).

130436231 is an equidigital number, since it uses as much as digits as its factorization.

130436231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 130436231 is about 11420.8682244390. The cubic root of 130436231 is about 507.1456994692.

The spelling of 130436231 in words is "one hundred thirty million, four hundred thirty-six thousand, two hundred thirty-one".