1021030231699 has 2 divisors, whose sum is σ = 1021030231700. Its totient is φ = 1021030231698.

The previous prime is 1021030231691. The next prime is 1021030231723. The reversal of 1021030231699 is 9961320301201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021030231699 - 2³ = 1021030231691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021030231691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510515115849 + 510515115850.

It is an arithmetic number, because the mean of its divisors is an integer number (510515115850).

Almost surely, 2^{1021030231699} is an apocalyptic number.

1021030231699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021030231699 is an equidigital number, since it uses as much as digits as its factorization.

1021030231699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 1021030231699 in words is "one trillion, twenty-one billion, thirty million, two hundred thirty-one thousand, six hundred ninety-nine".