31203330213 has 64 divisors (see below), whose sum is σ = 48854016000. Its totient is φ = 17522588160.

The previous prime is 31203330161. The next prime is 31203330217.

31203330213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31203330213 - 2¹⁴ = 31203313829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31203330213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203330217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6709513 + ... + 6714161.

It is an arithmetic number, because the mean of its divisors is an integer number (763344000).

Almost surely, 2^31203330213 is an apocalyptic number.

31203330213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31203330213 is a deficient number, since it is larger than the sum of its proper divisors (17650685787).

31203330213 is a wasteful number, since it uses less digits than its factorization.

31203330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its (nonzero) digits is 972, while the sum is 21.

It can be divided in two parts, 3120 and 3330213, that added together give a palindrome (3333333).

The spelling of 31203330213 in words is "thirty-one billion, two hundred three million, three hundred thirty thousand, two hundred thirteen".