31223212444339 has 8 divisors (see below), whose sum is σ = 31244933891808. Its totient is φ = 31201491862080.

The previous prime is 31223212444331. The next prime is 31223212444351. The reversal of 31223212444339 is 93344421232213.

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 31223212444339 - 2³ = 31223212444331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31223212444295 and 31223212444304.

It is not an unprimeable number, because it can be changed into a prime (31223212444331) 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, 83099554 + ... + 83474440.

It is an arithmetic number, because the mean of its divisors is an integer number (3905616736476).

Almost surely, 2^{31223212444339} is an apocalyptic number.

31223212444339 is a deficient number, since it is larger than the sum of its proper divisors (21721447469).

31223212444339 is a wasteful number, since it uses less digits than its factorization.

31223212444339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432605.

The product of its digits is 746496, while the sum is 43.

The spelling of 31223212444339 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred twelve million, four hundred forty-four thousand, three hundred thirty-nine".