1020202131003 has 32 divisors (see below), whose sum is σ = 1571957487360. Its totient is φ = 581660482560.

The previous prime is 1020202130989. The next prime is 1020202131043. The reversal of 1020202131003 is 3001312020201.

It is not a de Polignac number, because 1020202131003 - 2⁹ = 1020202130491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020202131043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773368 + ... + 1624346.

It is an arithmetic number, because the mean of its divisors is an integer number (49123671480).

Almost surely, 2^{1020202131003} is an apocalyptic number.

1020202131003 is a deficient number, since it is larger than the sum of its proper divisors (551755356357).

1020202131003 is a wasteful number, since it uses less digits than its factorization.

1020202131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853147.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1020202131003 its reverse (3001312020201), we get a palindrome (4021514151204).

The spelling of 1020202131003 in words is "one trillion, twenty billion, two hundred two million, one hundred thirty-one thousand, three".