1301030999 has 2 divisors, whose sum is σ = 1301031000. Its totient is φ = 1301030998.

The previous prime is 1301030987. The next prime is 1301031001. The reversal of 1301030999 is 9990301031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301030999 is a prime.

Together with 1301031001, 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 (1301030959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650515499 + 650515500.

It is an arithmetic number, because the mean of its divisors is an integer number (650515500).

Almost surely, 2^1301030999 is an apocalyptic number.

1301030999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301030999 is an equidigital number, since it uses as much as digits as its factorization.

1301030999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 1301030999 is about 36069.8073047251. The cubic root of 1301030999 is about 1091.6813260455.

The spelling of 1301030999 in words is "one billion, three hundred one million, thirty thousand, nine hundred ninety-nine".