31200113303 has 2 divisors, whose sum is σ = 31200113304. Its totient is φ = 31200113302.

The previous prime is 31200113281. The next prime is 31200113309. The reversal of 31200113303 is 30331100213.

It is a strong prime.

It is an emirp because it is prime and its reverse (30331100213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31200113303 - 2¹² = 31200109207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31200113309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600056651 + 15600056652.

It is an arithmetic number, because the mean of its divisors is an integer number (15600056652).

Almost surely, 2^31200113303 is an apocalyptic number.

31200113303 is a deficient number, since it is larger than the sum of its proper divisors (1).

31200113303 is an equidigital number, since it uses as much as digits as its factorization.

31200113303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31200113303 its reverse (30331100213), we get a palindrome (61531213516).

The spelling of 31200113303 in words is "thirty-one billion, two hundred million, one hundred thirteen thousand, three hundred three".