2003131031353 has 2 divisors, whose sum is σ = 2003131031354. Its totient is φ = 2003131031352.

The previous prime is 2003131031309. The next prime is 2003131031383. The reversal of 2003131031353 is 3531301313002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842936572304 + 160194459049 = 1357548^2 + 400243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003131031353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003131031303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001565515676 + 1001565515677.

It is an arithmetic number, because the mean of its divisors is an integer number (1001565515677).

Almost surely, 2^{2003131031353} is an apocalyptic number.

It is an amenable number.

2003131031353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003131031353 is an equidigital number, since it uses as much as digits as its factorization.

2003131031353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 2003131031353 its reverse (3531301313002), we get a palindrome (5534432344355).

The spelling of 2003131031353 in words is "two trillion, three billion, one hundred thirty-one million, thirty-one thousand, three hundred fifty-three".