1020431324403 has 12 divisors (see below), whose sum is σ = 1473970134000. Its totient is φ = 680281191216.

The previous prime is 1020431324329. The next prime is 1020431324413. The reversal of 1020431324403 is 3044231340201.

1020431324403 is a `hidden beast` number, since 1 + 0 + 204 + 3 + 13 + 2 + 440 + 3 = 666.

It is not a de Polignac number, because 1020431324403 - 2⁸ = 1020431324147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020431324413) 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 in 11 ways as a sum of consecutive naturals, for example, 617250 + ... + 1556232.

It is an arithmetic number, because the mean of its divisors is an integer number (122830844500).

Almost surely, 2^{1020431324403} is an apocalyptic number.

1020431324403 is a deficient number, since it is larger than the sum of its proper divisors (453538809597).

1020431324403 is a wasteful number, since it uses less digits than its factorization.

1020431324403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059738 (or 1059735 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1020431324403 its reverse (3044231340201), we get a palindrome (4064662664604).

The spelling of 1020431324403 in words is "one trillion, twenty billion, four hundred thirty-one million, three hundred twenty-four thousand, four hundred three".