13403303442 has 40 divisors (see below), whose sum is σ = 30342985596. Its totient is φ = 4421703168.

The previous prime is 13403303393. The next prime is 13403303461. The reversal of 13403303442 is 24430330431.

13403303442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11975143761 + 1428159681 = 109431^2 + 37791^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 410763 + ... + 442190.

Almost surely, 2^13403303442 is an apocalyptic number.

13403303442 is an abundant number, since it is smaller than the sum of its proper divisors (16939682154).

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

13403303442 is an equidigital number, since it uses as much as digits as its factorization.

13403303442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853064 (or 853055 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13403303442 its reverse (24430330431), we get a palindrome (37833633873).

The spelling of 13403303442 in words is "thirteen billion, four hundred three million, three hundred three thousand, four hundred forty-two".