1020131000387 has 2 divisors, whose sum is σ = 1020131000388. Its totient is φ = 1020131000386.

The previous prime is 1020131000237. The next prime is 1020131000443. The reversal of 1020131000387 is 7830001310201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020131000387 - 2²⁰ = 1020129951811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020131003387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510065500193 + 510065500194.

It is an arithmetic number, because the mean of its divisors is an integer number (510065500194).

Almost surely, 2^{1020131000387} is an apocalyptic number.

1020131000387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020131000387 is an equidigital number, since it uses as much as digits as its factorization.

1020131000387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 1020131000387 its reverse (7830001310201), we get a palindrome (8850132310588).

The spelling of 1020131000387 in words is "one trillion, twenty billion, one hundred thirty-one million, three hundred eighty-seven", and thus it is an aban number.