31112200203203 has 8 divisors (see below), whose sum is σ = 37102748068608. Its totient is φ = 25508139296904.

The previous prime is 31112200203193. The next prime is 31112200203241. The reversal of 31112200203203 is 30230200221113.

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

It is not a de Polignac number, because 31112200203203 - 2⁸ = 31112200202947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112200203263) 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, 96621739601 + ... + 96621739922.

It is an arithmetic number, because the mean of its divisors is an integer number (4637843508576).

Almost surely, 2^{31112200203203} is an apocalyptic number.

31112200203203 is a deficient number, since it is larger than the sum of its proper divisors (5990547865405).

31112200203203 is a wasteful number, since it uses less digits than its factorization.

31112200203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193243479553.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31112200203203 its reverse (30230200221113), we get a palindrome (61342400424316).

The spelling of 31112200203203 in words is "thirty-one trillion, one hundred twelve billion, two hundred million, two hundred three thousand, two hundred three".