130020031 has 2 divisors, whose sum is σ = 130020032. Its totient is φ = 130020030.

The previous prime is 130020019. The next prime is 130020043.

130020031 is nontrivially palindromic in base 10.

It is a balanced prime because it is at equal distance from previous prime (130020019) and next prime (130020043).

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130020031 is a prime.

It is a super-2 number, since 2×130020031² = 33810416922481922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130020071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010015 + 65010016.

It is an arithmetic number, because the mean of its divisors is an integer number (65010016).

Almost surely, 2^130020031 is an apocalyptic number.

130020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130020031 is an equidigital number, since it uses as much as digits as its factorization.

130020031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 130020031 is about 11402.6326346156. The cubic root of 130020031 is about 506.6057192867.

The spelling of 130020031 in words is "one hundred thirty million, twenty thousand, thirty-one".