1020321031207 has 2 divisors, whose sum is σ = 1020321031208. Its totient is φ = 1020321031206.

The previous prime is 1020321031193. The next prime is 1020321031229. The reversal of 1020321031207 is 7021301230201.

It is a happy number.

It is an a-pointer prime, because the next prime (1020321031229) can be obtained adding 1020321031207 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020321031207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020321031277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510160515603 + 510160515604.

It is an arithmetic number, because the mean of its divisors is an integer number (510160515604).

Almost surely, 2^{1020321031207} is an apocalyptic number.

1020321031207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020321031207 is an equidigital number, since it uses as much as digits as its factorization.

1020321031207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 1020321031207 its reverse (7021301230201), we get a palindrome (8041622261408).

The spelling of 1020321031207 in words is "one trillion, twenty billion, three hundred twenty-one million, thirty-one thousand, two hundred seven".