130310303021 has 2 divisors, whose sum is σ = 130310303022. Its totient is φ = 130310303020.

The previous prime is 130310302979. The next prime is 130310303023. The reversal of 130310303021 is 120303013031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72751575625 + 57558727396 = 269725^2 + 239914^2 .

It is a cyclic number.

It is not a de Polignac number, because 130310303021 - 2³⁴ = 113130433837 is a prime.

Together with 130310303023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130310303023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65155151510 + 65155151511.

It is an arithmetic number, because the mean of its divisors is an integer number (65155151511).

Almost surely, 2^130310303021 is an apocalyptic number.

It is an amenable number.

130310303021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130310303021 is an equidigital number, since it uses as much as digits as its factorization.

130310303021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 130310303021 its reverse (120303013031), we get a palindrome (250613316052).

The spelling of 130310303021 in words is "one hundred thirty billion, three hundred ten million, three hundred three thousand, twenty-one".