13203312220344 has 32 divisors (see below), whose sum is σ = 33010814002320. Its totient is φ = 4400766279936.

The previous prime is 13203312220339. The next prime is 13203312220387. The reversal of 13203312220344 is 44302221330231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20792787 + ... + 21418370.

Almost surely, 2^{13203312220344} is an apocalyptic number.

It is an amenable number.

13203312220344 is an abundant number, since it is smaller than the sum of its proper divisors (19807501781976).

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

13203312220344 is a wasteful number, since it uses less digits than its factorization.

13203312220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42224199 (or 42224195 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13203312220344 its reverse (44302221330231), we get a palindrome (57505533550575).

The spelling of 13203312220344 in words is "thirteen trillion, two hundred three billion, three hundred twelve million, two hundred twenty thousand, three hundred forty-four".