3031213020323 has 4 divisors (see below), whose sum is σ = 3039898444800. Its totient is φ = 3022527595848.

The previous prime is 3031213020313. The next prime is 3031213020337. The reversal of 3031213020323 is 3230203121303.

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 3031213020323 - 2⁸ = 3031213020067 is a prime.

It is a super-2 number, since 2×3031213020323² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031213020313) 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, 4342711715 + ... + 4342712412.

It is an arithmetic number, because the mean of its divisors is an integer number (759974611200).

Almost surely, 2^{3031213020323} is an apocalyptic number.

3031213020323 is a deficient number, since it is larger than the sum of its proper divisors (8685424477).

3031213020323 is an equidigital number, since it uses as much as digits as its factorization.

3031213020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685424476.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 3031213020323 its reverse (3230203121303), we get a palindrome (6261416141626).

The spelling of 3031213020323 in words is "three trillion, thirty-one billion, two hundred thirteen million, twenty thousand, three hundred twenty-three".