13345045531 has 2 divisors, whose sum is σ = 13345045532. Its totient is φ = 13345045530.

The previous prime is 13345045501. The next prime is 13345045537. The reversal of 13345045531 is 13554054331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13345045531 - 2⁵ = 13345045499 is a prime.

It is a super-2 number, since 2×13345045531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13345045537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672522765 + 6672522766.

It is an arithmetic number, because the mean of its divisors is an integer number (6672522766).

Almost surely, 2^13345045531 is an apocalyptic number.

13345045531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13345045531 is an equidigital number, since it uses as much as digits as its factorization.

13345045531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 13345045531 its reverse (13554054331), we get a palindrome (26899099862).

The spelling of 13345045531 in words is "thirteen billion, three hundred forty-five million, forty-five thousand, five hundred thirty-one".