130031021030249 has 2 divisors, whose sum is σ = 130031021030250. Its totient is φ = 130031021030248.

The previous prime is 130031021030237. The next prime is 130031021030363. The reversal of 130031021030249 is 942030120130031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67797224484649 + 62233796545600 = 8233907^2 + 7888840^2 .

It is a cyclic number.

It is not a de Polignac number, because 130031021030249 - 2⁴ = 130031021030233 is a prime.

It is not a weakly prime, because it can be changed into another prime (130031021038249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015510515124 + 65015510515125.

It is an arithmetic number, because the mean of its divisors is an integer number (65015510515125).

Almost surely, 2^{130031021030249} is an apocalyptic number.

It is an amenable number.

130031021030249 is a deficient number, since it is larger than the sum of its proper divisors (1).

130031021030249 is an equidigital number, since it uses as much as digits as its factorization.

130031021030249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 130031021030249 in words is "one hundred thirty trillion, thirty-one billion, twenty-one million, thirty thousand, two hundred forty-nine".