1020331302187 has 2 divisors, whose sum is σ = 1020331302188. Its totient is φ = 1020331302186.

The previous prime is 1020331302169. The next prime is 1020331302217. The reversal of 1020331302187 is 7812031330201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020331302187 - 2²³ = 1020322913579 is a prime.

It is a super-2 number, since 2×1020331302187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020331302787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510165651093 + 510165651094.

It is an arithmetic number, because the mean of its divisors is an integer number (510165651094).

Almost surely, 2^{1020331302187} is an apocalyptic number.

1020331302187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020331302187 is an equidigital number, since it uses as much as digits as its factorization.

1020331302187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 1020331302187 its reverse (7812031330201), we get a palindrome (8832362632388).

The spelling of 1020331302187 in words is "one trillion, twenty billion, three hundred thirty-one million, three hundred two thousand, one hundred eighty-seven".