103131031333 has 6 divisors (see below), whose sum is σ = 113358902342. Its totient is φ = 93755482920.

The previous prime is 103131031319. The next prime is 103131031343. The reversal of 103131031333 is 333130131301.

It can be written as a sum of positive squares in only one way, i.e., 91552840929 + 11578190404 = 302577^2 + 107602^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103131031333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131031313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426161166 + ... + 426161407.

Almost surely, 2^103131031333 is an apocalyptic number.

It is an amenable number.

103131031333 is a deficient number, since it is larger than the sum of its proper divisors (10227871009).

103131031333 is an equidigital number, since it uses as much as digits as its factorization.

103131031333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852322595 (or 852322584 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 103131031333 its reverse (333130131301), we get a palindrome (436261162634).

The spelling of 103131031333 in words is "one hundred three billion, one hundred thirty-one million, thirty-one thousand, three hundred thirty-three".