130030031 has 2 divisors, whose sum is σ = 130030032. Its totient is φ = 130030030.

The previous prime is 130030013. The next prime is 130030051.

130030031 is nontrivially palindromic in base 10.

Together with previous prime (130030013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 130030031 - 2¹⁰ = 130029007 is a prime.

It is a super-2 number, since 2×130030031² = 33815617923721922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130029994 and 130030021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130030001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015015 + 65015016.

It is an arithmetic number, because the mean of its divisors is an integer number (65015016).

Almost surely, 2^130030031 is an apocalyptic number.

130030031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130030031 is an equidigital number, since it uses as much as digits as its factorization.

130030031 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 130030031 is about 11403.0711214129. The cubic root of 130030031 is about 506.6187068427.

Multiplying 130030031 by its sum of digits (11), we get a palindrome (1430330341).

The spelling of 130030031 in words is "one hundred thirty million, thirty thousand, thirty-one".