13020131445 has 32 divisors (see below), whose sum is σ = 22359825792. Its totient is φ = 6446057472.

The previous prime is 13020131419. The next prime is 13020131459. The reversal of 13020131445 is 54413102031.

It is a happy number.

It is not a de Polignac number, because 13020131445 - 2¹⁴ = 13020115061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331107 + ... + 368336.

It is an arithmetic number, because the mean of its divisors is an integer number (698744556).

Almost surely, 2^13020131445 is an apocalyptic number.

13020131445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13020131445 is a deficient number, since it is larger than the sum of its proper divisors (9339694347).

13020131445 is a wasteful number, since it uses less digits than its factorization.

13020131445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699541.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13020131445 its reverse (54413102031), we get a palindrome (67433233476).

The spelling of 13020131445 in words is "thirteen billion, twenty million, one hundred thirty-one thousand, four hundred forty-five".