3112222131313 has 8 divisors (see below), whose sum is σ = 3154908133800. Its totient is φ = 3069537556608.

The previous prime is 3112222131209. The next prime is 3112222131323. The reversal of 3112222131313 is 3131312222113.

It can be written as a sum of positive squares in 4 ways, for example, as 1823561254449 + 1288660876864 = 1350393^2 + 1135192^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3112222131313 - 2⁴¹ = 913198875761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112222131323) 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, 4478583 + ... + 5126611.

It is an arithmetic number, because the mean of its divisors is an integer number (394363516725).

Almost surely, 2^{3112222131313} is an apocalyptic number.

It is an amenable number.

3112222131313 is a deficient number, since it is larger than the sum of its proper divisors (42686002487).

3112222131313 is an equidigital number, since it uses as much as digits as its factorization.

3112222131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713891.

The product of its digits is 1296, while the sum is 25.

Adding to 3112222131313 its reverse (3131312222113), we get a palindrome (6243534353426).

The spelling of 3112222131313 in words is "three trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred thirteen".