1020131230403 has 2 divisors, whose sum is σ = 1020131230404. Its totient is φ = 1020131230402.

The previous prime is 1020131230397. The next prime is 1020131230421. The reversal of 1020131230403 is 3040321310201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020131230403 - 2¹⁴ = 1020131214019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020131230103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510065615201 + 510065615202.

It is an arithmetic number, because the mean of its divisors is an integer number (510065615202).

Almost surely, 2^{1020131230403} is an apocalyptic number.

1020131230403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020131230403 is an equidigital number, since it uses as much as digits as its factorization.

1020131230403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1020131230403 its reverse (3040321310201), we get a palindrome (4060452540604).

The spelling of 1020131230403 in words is "one trillion, twenty billion, one hundred thirty-one million, two hundred thirty thousand, four hundred three".