13503031045 has 32 divisors (see below), whose sum is σ = 19056261888. Its totient is φ = 8991295488.

The previous prime is 13503030907. The next prime is 13503031049. The reversal of 13503031045 is 54013030531.

It is not a de Polignac number, because 13503031045 - 2²⁹ = 12966160133 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 (13503031049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667317 + ... + 687253.

It is an arithmetic number, because the mean of its divisors is an integer number (595508184).

Almost surely, 2^13503031045 is an apocalyptic number.

It is an amenable number.

13503031045 is a deficient number, since it is larger than the sum of its proper divisors (5553230843).

13503031045 is a wasteful number, since it uses less digits than its factorization.

13503031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20509.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13503031045 its reverse (54013030531), we get a palindrome (67516061576).

The spelling of 13503031045 in words is "thirteen billion, five hundred three million, thirty-one thousand, forty-five".