213334312303031 has 4 divisors (see below), whose sum is σ = 213334367871864. Its totient is φ = 213334256734200.

The previous prime is 213334312303009. The next prime is 213334312303051. The reversal of 213334312303031 is 130303213433312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213334312303031 - 2⁶ = 213334312302967 is a prime.

It is a super-2 number, since 2×213334312303031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213334312303051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21561125 + ... + 29858846.

It is an arithmetic number, because the mean of its divisors is an integer number (53333591967966).

Almost surely, 2^{213334312303031} is an apocalyptic number.

213334312303031 is a deficient number, since it is larger than the sum of its proper divisors (55568833).

213334312303031 is an equidigital number, since it uses as much as digits as its factorization.

213334312303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55568832.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 213334312303031 its reverse (130303213433312), we get a palindrome (343637525736343).

The spelling of 213334312303031 in words is "two hundred thirteen trillion, three hundred thirty-four billion, three hundred twelve million, three hundred three thousand, thirty-one".