2313221343412 has 48 divisors (see below), whose sum is σ = 4686439313920. Its totient is φ = 978531840000.

The previous prime is 2313221343401. The next prime is 2313221343439. The reversal of 2313221343412 is 2143431223132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143412 + ... + 7460212.

Almost surely, 2^{2313221343412} is an apocalyptic number.

It is an amenable number.

2313221343412 is an abundant number, since it is smaller than the sum of its proper divisors (2373217970508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313221343412 is a wasteful number, since it uses less digits than its factorization.

2313221343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320192 (or 320190 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 2313221343412 its reverse (2143431223132), we get a palindrome (4456652566544).

The spelling of 2313221343412 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred forty-three thousand, four hundred twelve".