3431320120303 has 4 divisors (see below), whose sum is σ = 3434007138120. Its totient is φ = 3428633102488.

The previous prime is 3431320120231. The next prime is 3431320120379. The reversal of 3431320120303 is 3030210231343.

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 3431320120303 - 2³⁷ = 3293881166831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431320120703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343506993 + ... + 1343509546.

It is an arithmetic number, because the mean of its divisors is an integer number (858501784530).

Almost surely, 2^{3431320120303} is an apocalyptic number.

3431320120303 is a deficient number, since it is larger than the sum of its proper divisors (2687017817).

3431320120303 is a wasteful number, since it uses less digits than its factorization.

3431320120303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687017816.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 3431320120303 its reverse (3030210231343), we get a palindrome (6461530351646).

The spelling of 3431320120303 in words is "three trillion, four hundred thirty-one billion, three hundred twenty million, one hundred twenty thousand, three hundred three".