13403320031 has 16 divisors (see below), whose sum is σ = 13865938944. Its totient is φ = 12948211584.

The previous prime is 13403320019. The next prime is 13403320087. The reversal of 13403320031 is 13002330431.

It is a cyclic number.

It is not a de Polignac number, because 13403320031 - 2³⁰ = 12329578207 is a prime.

It is a super-3 number, since 3×13403320031³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13403319985 and 13403320012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403320531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836716 + ... + 1843998.

It is an arithmetic number, because the mean of its divisors is an integer number (866621184).

Almost surely, 2^13403320031 is an apocalyptic number.

13403320031 is a deficient number, since it is larger than the sum of its proper divisors (462618913).

13403320031 is a wasteful number, since it uses less digits than its factorization.

13403320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13403320031 its reverse (13002330431), we get a palindrome (26405650462).

The spelling of 13403320031 in words is "thirteen billion, four hundred three million, three hundred twenty thousand, thirty-one".