2031103213 has 8 divisors (see below), whose sum is σ = 2048058648. Its totient is φ = 2014208064.

The previous prime is 2031103201. The next prime is 2031103219. The reversal of 2031103213 is 3123011302.

It can be written as a sum of positive squares in 4 ways, for example, as 489205924 + 1541897289 = 22118^2 + 39267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031103213 - 2⁹ = 2031102701 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 (2031103219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53895 + ... + 83467.

It is an arithmetic number, because the mean of its divisors is an integer number (256007331).

Almost surely, 2^2031103213 is an apocalyptic number.

It is an amenable number.

2031103213 is a deficient number, since it is larger than the sum of its proper divisors (16955435).

2031103213 is a wasteful number, since it uses less digits than its factorization.

2031103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2031103213 is about 45067.7624583249. The cubic root of 2031103213 is about 1266.4187476548.

Adding to 2031103213 its reverse (3123011302), we get a palindrome (5154114515).

The spelling of 2031103213 in words is "two billion, thirty-one million, one hundred three thousand, two hundred thirteen".