130300031 has 2 divisors, whose sum is σ = 130300032. Its totient is φ = 130300030.

The previous prime is 130300021. The next prime is 130300061. The reversal of 130300031 is 130003031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130300031 is a prime.

It is a super-2 number, since 2×130300031² = 33956196157201922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130299985 and 130300021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130300021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65150015 + 65150016.

It is an arithmetic number, because the mean of its divisors is an integer number (65150016).

Almost surely, 2^130300031 is an apocalyptic number.

130300031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130300031 is an equidigital number, since it uses as much as digits as its factorization.

130300031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 130300031 is about 11414.9038979748. The cubic root of 130300031 is about 506.9691194410.

Adding to 130300031 its reverse (130003031), we get a palindrome (260303062).

It can be divided in two parts, 1303000 and 31, that added together give a palindrome (1303031).

The spelling of 130300031 in words is "one hundred thirty million, three hundred thousand, thirty-one".